diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 5e32e3a83..000000000
--- a/.babelrc
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    "presets": ["@babel/preset-env", "@babel/preset-react"],
-    "env": {
-        "production": {
-            "plugins": ["@babel/plugin-proposal-object-rest-spread", "styled-jsx/babel"]
-        },
-        "development": {
-            "plugins": ["@babel/plugin-proposal-object-rest-spread", "styled-jsx/babel"]
-        },
-        "test": {
-            "plugins": ["@babel/plugin-proposal-object-rest-spread", "styled-jsx/babel-test"]
-        }
-    }
-}
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4bd85d832..0090daff8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -81,7 +81,7 @@ jobs:
           command: |
             . venv/bin/activate && mkdir packages
             # build main dash
-            git clone --depth 1 https://github.com/plotly/dash.git dash-main
+            git clone --depth 1 -b exp-dynamic https://github.com/plotly/dash.git dash-main
             cd dash-main && pip install -e .[dev] --progress-bar off && python setup.py sdist && mv dist/* ../packages/
             cd dash-renderer && npm run build
             python setup.py sdist && mv dist/* ../../packages/ && cd ../..
diff --git a/.eslintrc b/.eslintrc
index 67c859a4b..b790e292f 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -63,7 +63,7 @@
     "no-extend-native": ["error"],
     "no-extra-bind": ["error"],
     "no-extra-boolean-cast": ["error"],
-    "no-inline-comments": ["error"],
+    "no-inline-comments": ["off"],
     "no-implicit-coercion": ["error"],
     "no-implied-eval": ["error"],
     "no-inner-declarations": ["off"],
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17f41c655..cf64c067b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+### Added
+- [#616](https://github.com/plotly/dash-core-components/pull/616) Async Graph and Plotly.js
+
 ## [1.3.1] - 2019-10-17
 ### Updated
 - Upgraded plotly.js to 1.50.1 [#681](https://github.com/plotly/dash-core-components/issues/681)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1e18933a4..4d4a5d034 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -33,14 +33,16 @@ Locally](README.md#testing-locally) section of README.md.
 
 ## Updating Plotly.js
 
-1. Download the latest plotly.js from the cdn: `$ wget https://github.com/plotly/plotly.js/releases/tag/v1.49.4`
-2. Update `dash_core_components/__init__.py` plotly.js `external_url`
-3. Update `CHANGELOG.md` with links to the releases and a description of the changes. The message should state (see the existing `CHANGELOG.md` for examples):
+1. Update the version of `plotly.js` in package.json. Always use an exact version without "^" or "~"
+2. Run `npm install` followed by `npm run build`, this will ensure the latest version of Plotly.js is in `node_modules` and copy
+that version over with the other build artifacts
+3. Update `dash_core_components_base/__init__.py` plotly.js `relative_package_path` and `external_url`
+4. Update `CHANGELOG.md` with links to the releases and a description of the changes. The message should state (see the existing `CHANGELOG.md` for examples):
     * If you're only bumping the patch level, the heading is "Fixed" and the text starts "Patched plotly.js". Otherwise the heading is "Updated" and the text starts "Upgraded plotly.js"
     * The new plotly.js version number, and the PR in which this was done
     * All major or minor versions included, with links to their release pages and a summary of the major new features in each. If there are multiple minor/major releases included, be sure to look at all of their release notes to construct the summary. Call minor versions "feature" versions for the benefit of users not steeped in semver terminology.
     * All patch versions included, with links to their release pages and a note that these fix bugs
-4. When bumping the dcc version, a plotly.js patch/minor/major constitutes a dcc patch/minor/major respectively as well.
+5. When bumping the dcc version, a plotly.js patch/minor/major constitutes a dcc patch/minor/major respectively as well.
 
 ## Financial Contributions
 
diff --git a/MANIFEST.in b/MANIFEST.in
index a88af43d4..5671dd368 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,7 @@
 include dash_core_components/dash_core_components.min.js
 include dash_core_components/dash_core_components.min.js.map
+include dash_core_components/async~*.js
+include dash_core_components/async~*.js.map
 include dash_core_components/highlight.pack.js
 include dash_core_components/metadata.json
 include dash_core_components/package-info.json
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 000000000..3db06fabb
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,20 @@
+const presets = [
+    ['@babel/env', {
+        useBuiltIns: 'usage',
+        corejs: 3
+    }],
+    '@babel/preset-react'
+];
+
+const plugins = [
+    '@babel/plugin-syntax-dynamic-import'
+];
+
+// eslint-disable-next-line no-process-env
+if (process.env.ENV === "test") {
+    plugins.push("styled-jsx/babel-test");
+} else {
+    plugins.push("styled-jsx/babel");
+}
+
+module.exports = { presets, plugins };
diff --git a/dash_core_components_base/__init__.py b/dash_core_components_base/__init__.py
index 884d633ee..95e25212a 100644
--- a/dash_core_components_base/__init__.py
+++ b/dash_core_components_base/__init__.py
@@ -39,13 +39,7 @@
 
 _this_module = _sys.modules[__name__]
 
-
 _js_dist = [
-    {
-        'external_url': 'https://cdn.plot.ly/plotly-1.50.1.min.js',
-        'relative_package_path': 'plotly-1.50.1.min.js',
-        'namespace': 'dash_core_components'
-    },
     {
         'relative_package_path': 'highlight.pack.js',
         'namespace': 'dash_core_components'
@@ -66,8 +60,53 @@
         ).format(__version__),
         'namespace': 'dash_core_components',
         'dynamic': True
-    }
+    },
+    {
+        'relative_package_path': 'async~graph.js',
+        'external_url': (
+            'https://unpkg.com/dash-core-components@{}'
+            '/dash_core_components/async~graph.js'
+        ).format(__version__),
+        'namespace': 'dash_core_components',
+        'async': True
+    },
+    {
+        'relative_package_path': 'async~graph.js.map',
+        'external_url': (
+            'https://unpkg.com/dash-core-components@{}'
+            '/dash_core_components/async~graph.js.map'
+        ).format(__version__),
+        'namespace': 'dash_core_components',
+        'dynamic': True
+    },
+    {
+        'relative_package_path': 'plotly-1.50.1.min.js',
+        'external_url': (
+            'https://unpkg.com/dash-core-components@{}'
+            '/dash_core_components/plotly-1.50.1.min.js'
+        ).format(__version__),
+        'namespace': 'dash_core_components',
+        'async': 'eager'
+    },
+    {
+        'relative_package_path': 'async~plotlyjs.js',
+        'external_url': (
+            'https://unpkg.com/dash-core-components@{}'
+            '/dash_core_components/async~graph~plotlyjs.js'
+        ).format(__version__),
+        'namespace': 'dash_core_components',
+        'async': 'lazy'
+    },
+    {
+        'relative_package_path': 'async~plotlyjs.js.map',
+        'external_url': (
+            'https://unpkg.com/dash-core-components@{}'
+            '/dash_core_components/async~graph~plotlyjs.js.map'
+        ).format(__version__),
+        'namespace': 'dash_core_components',
+        'dynamic': True
+    },
 ]
 
 for _component in __all__:
-    setattr(locals()[_component], '_js_dist', _js_dist)
+    setattr(locals()[_component], '_js_dist', _js_dist)
\ No newline at end of file
diff --git a/generator/plotly.js b/generator/plotly.js
new file mode 100644
index 000000000..ac060f61f
--- /dev/null
+++ b/generator/plotly.js
@@ -0,0 +1,14 @@
+const fs = require('fs');
+
+const package = JSON.parse(fs.readFileSync('package.json'));
+
+const plotlyJsVersion = (package.dependencies && package.dependencies['plotly.js']) ||
+    (package.devDependencies && package.devDependencies['plotly.js']);
+
+fs.copyFile('node_modules/plotly.js/dist/plotly.min.js', `dash_core_components/plotly-${plotlyJsVersion}.min.js`, err => {
+    if (err) {
+        throw err;
+    }
+
+    console.log('copied plotly.js', plotlyJsVersion);
+});
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 1aea66429..edb17e699 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,16 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "3d-view": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/3d-view/-/3d-view-2.0.0.tgz",
+      "integrity": "sha1-gxrpQtdQjFCAHj4G+v4ejFdOF74=",
+      "requires": {
+        "matrix-camera-controller": "^2.1.1",
+        "orbit-camera-controller": "^4.0.0",
+        "turntable-camera-controller": "^3.0.0"
+      }
+    },
     "@babel/code-frame": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
@@ -758,6 +768,15 @@
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
+    "@babel/plugin-syntax-dynamic-import": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.2.0.tgz",
+      "integrity": "sha512-mVxuJ0YroI/h/tbFTPGZR8cv6ai+STMKNBq0f8hFxsxWjl94qqhsb+wXbpNMDPU3cfR1TIsVFzU3nXyZMqyK4w==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0"
+      }
+    },
     "@babel/plugin-syntax-json-strings": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-json-strings/-/plugin-syntax-json-strings-7.2.0.tgz",
@@ -1433,6 +1452,14 @@
         }
       }
     },
+    "@choojs/findup": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/@choojs/findup/-/findup-0.2.1.tgz",
+      "integrity": "sha512-YstAqNb0MCN8PjdLCDfRsBcGVRN41f3vgLvaI0IrIcBp4AqILRSS0DeWNGkicC+f/zRIPJLc+9RURVSepwvfBw==",
+      "requires": {
+        "commander": "^2.15.1"
+      }
+    },
     "@cnakazawa/watch": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/@cnakazawa/watch/-/watch-1.0.3.tgz",
@@ -1668,6 +1695,101 @@
         "@types/yargs": "^12.0.9"
       }
     },
+    "@mapbox/geojson-area": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@mapbox/geojson-area/-/geojson-area-0.2.2.tgz",
+      "integrity": "sha1-GNeBSqNr8j+7zDefjiaiKSfevxA=",
+      "requires": {
+        "wgs84": "0.0.0"
+      }
+    },
+    "@mapbox/geojson-rewind": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@mapbox/geojson-rewind/-/geojson-rewind-0.4.0.tgz",
+      "integrity": "sha512-b+1uPWBERW4Pet/969BNu61ZPDyH2ilIxBjJDFzxyS9TyszF9UrTQyYIl/G38clux3rtpAGGFSGTCSF/qR6UjA==",
+      "requires": {
+        "@mapbox/geojson-area": "0.2.2",
+        "concat-stream": "~1.6.0",
+        "minimist": "1.2.0",
+        "sharkdown": "^0.1.0"
+      }
+    },
+    "@mapbox/geojson-types": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@mapbox/geojson-types/-/geojson-types-1.0.2.tgz",
+      "integrity": "sha512-e9EBqHHv3EORHrSfbR9DqecPNn+AmuAoQxV6aL8Xu30bJMJR1o8PZLZzpk1Wq7/NfCbuhmakHTPYRhoqLsXRnw=="
+    },
+    "@mapbox/jsonlint-lines-primitives": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@mapbox/jsonlint-lines-primitives/-/jsonlint-lines-primitives-2.0.2.tgz",
+      "integrity": "sha1-zlblOfg1UrWNENZy6k1vya3HsjQ="
+    },
+    "@mapbox/mapbox-gl-supported": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/@mapbox/mapbox-gl-supported/-/mapbox-gl-supported-1.4.1.tgz",
+      "integrity": "sha512-yyKza9S6z3ELKuf6w5n6VNUB0Osu6Z93RXPfMHLIlNWohu3KqxewLOq4lMXseYJ92GwkRAxd207Pr/Z98cwmvw=="
+    },
+    "@mapbox/point-geometry": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@mapbox/point-geometry/-/point-geometry-0.1.0.tgz",
+      "integrity": "sha1-ioP5M1x4YO/6Lu7KJUMyqgru2PI="
+    },
+    "@mapbox/tiny-sdf": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@mapbox/tiny-sdf/-/tiny-sdf-1.1.1.tgz",
+      "integrity": "sha512-Ihn1nZcGIswJ5XGbgFAvVumOgWpvIjBX9jiRlIl46uQG9vJOF51ViBYHF95rEZupuyQbEmhLaDPLQlU7fUTsBg=="
+    },
+    "@mapbox/unitbezier": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/@mapbox/unitbezier/-/unitbezier-0.0.0.tgz",
+      "integrity": "sha1-FWUb1VOme4WB+zmIEMmK2Go0Uk4="
+    },
+    "@mapbox/vector-tile": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@mapbox/vector-tile/-/vector-tile-1.3.1.tgz",
+      "integrity": "sha512-MCEddb8u44/xfQ3oD+Srl/tNcQoqTw3goGk2oLsrFxOTc3dUp+kAnby3PvAeeBYSMSjSPD1nd1AJA6W49WnoUw==",
+      "requires": {
+        "@mapbox/point-geometry": "~0.1.0"
+      }
+    },
+    "@mapbox/whoots-js": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@mapbox/whoots-js/-/whoots-js-3.1.0.tgz",
+      "integrity": "sha512-Es6WcD0nO5l+2BOQS4uLfNPYQaNDfbot3X1XUoloz+x0mPDS3eeORZJl06HXjwBG1fOGwCRnzK88LMdxKRrd6Q=="
+    },
+    "@plotly/d3-sankey": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/@plotly/d3-sankey/-/d3-sankey-0.7.2.tgz",
+      "integrity": "sha512-2jdVos1N3mMp3QW0k2q1ph7Gd6j5PY1YihBrwpkFnKqO+cqtZq3AdEYUeSGXMeLsBDQYiqTVcihYfk8vr5tqhw==",
+      "requires": {
+        "d3-array": "1",
+        "d3-collection": "1",
+        "d3-shape": "^1.2.0"
+      }
+    },
+    "@plotly/d3-sankey-circular": {
+      "version": "0.33.1",
+      "resolved": "https://registry.npmjs.org/@plotly/d3-sankey-circular/-/d3-sankey-circular-0.33.1.tgz",
+      "integrity": "sha512-FgBV1HEvCr3DV7RHhDsPXyryknucxtfnLwPtCKKxdolKyTFYoLX/ibEfX39iFYIL7DYbVeRtP43dbFcrHNE+KQ==",
+      "requires": {
+        "d3-array": "^1.2.1",
+        "d3-collection": "^1.0.4",
+        "d3-shape": "^1.2.0",
+        "elementary-circuits-directed-graph": "^1.0.4"
+      }
+    },
+    "@plotly/dash-component-plugins": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@plotly/dash-component-plugins/-/dash-component-plugins-1.0.1.tgz",
+      "integrity": "sha512-z3KTahhLhIw3RZL49OOutyV8ePn2kZLCnMBoWYPy5sr55Yd2ghL7aDDyO1yseintG+RTm72n6UB35G++mvNbpA==",
+      "dev": true
+    },
+    "@plotly/webpack-dash-dynamic-import": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@plotly/webpack-dash-dynamic-import/-/webpack-dash-dynamic-import-1.0.0.tgz",
+      "integrity": "sha512-ZkK0rwzAeKuYroBLWh7wHevWBG3Ljg2Tp9yrArXfxj75c2OlXpOlJEZgji9VHZZj0VvNEuBwxeG182fIK5FA4Q==",
+      "dev": true
+    },
     "@shellscape/koa-send": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/@shellscape/koa-send/-/koa-send-4.1.3.tgz",
@@ -1696,6 +1818,37 @@
       "integrity": "sha512-ONhaKPIufzzrlNbqtWFFd+jlnemX6lJAgq9ZeiZtS7I1PIf/la7CW4m83rTXRnVnsMbW2k56pGYu7AUFJD9Pow==",
       "dev": true
     },
+    "@turf/area": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@turf/area/-/area-6.0.1.tgz",
+      "integrity": "sha512-Zv+3N1ep9P5JvR0YOYagLANyapGWQBh8atdeR3bKpWcigVXFsEKNUw03U/5xnh+cKzm7yozHD6MFJkqQv55y0g==",
+      "requires": {
+        "@turf/helpers": "6.x",
+        "@turf/meta": "6.x"
+      }
+    },
+    "@turf/centroid": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@turf/centroid/-/centroid-6.0.2.tgz",
+      "integrity": "sha512-auyDauOtC4eddH7GC3CHFTDu2PKhpSeKCRhwhHhXtJqn2dWCJQNIoCeJRmfXRIbzCWhWvgvQafvvhq8HNvmvWw==",
+      "requires": {
+        "@turf/helpers": "6.x",
+        "@turf/meta": "6.x"
+      }
+    },
+    "@turf/helpers": {
+      "version": "6.1.4",
+      "resolved": "https://registry.npmjs.org/@turf/helpers/-/helpers-6.1.4.tgz",
+      "integrity": "sha512-vJvrdOZy1ngC7r3MDA7zIGSoIgyrkWcGnNIEaqn/APmw+bVLF2gAW7HIsdTxd12s5wQMqEpqIQrmrbRRZ0xC7g=="
+    },
+    "@turf/meta": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@turf/meta/-/meta-6.0.2.tgz",
+      "integrity": "sha512-VA7HJkx7qF1l3+GNGkDVn2oXy4+QoLP6LktXAaZKjuT1JI0YESat7quUkbCMy4zP9lAUuvS4YMslLyTtr919FA==",
+      "requires": {
+        "@turf/helpers": "6.x"
+      }
+    },
     "@types/babel__core": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.1.0.tgz",
@@ -2166,23 +2319,36 @@
       "integrity": "sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==",
       "dev": true
     },
+    "a-big-triangle": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/a-big-triangle/-/a-big-triangle-1.0.3.tgz",
+      "integrity": "sha1-7v0wsCqPUl6LH3K7a7GwwWdRx5Q=",
+      "requires": {
+        "gl-buffer": "^2.1.1",
+        "gl-vao": "^1.2.0",
+        "weak-map": "^1.0.5"
+      }
+    },
     "abab": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.0.tgz",
       "integrity": "sha512-sY5AXXVZv4Y1VACTtR11UJCPHHudgY5i26Qj5TypE6DKlIApbwb5uqhXcJ5UUGbvZNRh7EeIoW+LrJumBsKp7w==",
       "dev": true
     },
+    "abs-svg-path": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/abs-svg-path/-/abs-svg-path-0.1.1.tgz",
+      "integrity": "sha1-32Acjo0roQ1KdtYl4japo5wnI78="
+    },
     "acorn": {
       "version": "6.1.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
-      "dev": true
+      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA=="
     },
     "acorn-dynamic-import": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz",
-      "integrity": "sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==",
-      "dev": true
+      "integrity": "sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw=="
     },
     "acorn-globals": {
       "version": "4.3.0",
@@ -2197,8 +2363,7 @@
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+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+          "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        },
+        "v8-compile-cache": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.0.3.tgz",
+          "integrity": "sha512-CNmdbwQMBjwr9Gsmohvm0pbL954tJrNzf6gWL3K+QMQf00PF7ERGrEiLgjuU3mKreLC2MeGhUsNV9ybTbLgd3w==",
+          "dev": true
+        },
+        "wrap-ansi": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
+          }
+        },
+        "y18n": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
           "dev": true
         },
         "yargs": {
-          "version": "12.0.5",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+          "version": "13.2.4",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.4.tgz",
+          "integrity": "sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==",
           "dev": true,
           "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.2.0",
+            "cliui": "^5.0.0",
             "find-up": "^3.0.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "os-locale": "^3.1.0",
             "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
+            "require-main-filename": "^2.0.0",
             "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
+            "string-width": "^3.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^11.1.1"
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.0"
           }
         },
         "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+          "version": "13.1.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
+          "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
@@ -13805,9 +17330,9 @@
       }
     },
     "webpack-sources": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.3.0.tgz",
-      "integrity": "sha512-OiVgSrbGu7NEnEvQJJgdSFPl2qWKkWq5lHMhgiToIiN9w34EBnjYzSYs+VbL5KoYiLNtFFa7BZIKxRED3I32pA==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.4.3.tgz",
+      "integrity": "sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==",
       "dev": true,
       "requires": {
         "source-list-map": "^2.0.0",
@@ -13822,6 +17347,11 @@
         }
       }
     },
+    "wgs84": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/wgs84/-/wgs84-0.0.0.tgz",
+      "integrity": "sha1-NP3FVZF7blfPKigu0ENxDASc3HY="
+    },
     "whatwg-encoding": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz",
@@ -13921,21 +17451,33 @@
         }
       }
     },
+    "window-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
-      "dev": true
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
     },
     "worker-farm": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.6.0.tgz",
-      "integrity": "sha512-6w+3tHbM87WnSWnENBUvA2pxJPLhQUg5LKwUQHq3r+XPhIM+Gh2R5ycbwPCyuGbNg+lPgdcnQUhuC02kJCvffQ==",
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.7.0.tgz",
+      "integrity": "sha512-rvw3QTZc8lAxyVrqcSGVm5yP/IJ2UcB3U0graE3LCFoZ0Yn2x4EoVSqJKdB/T5M+FLcRPjz4TDacRf3OCfNUzw==",
       "dev": true,
       "requires": {
         "errno": "~0.1.7"
       }
     },
+    "world-calendars": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/world-calendars/-/world-calendars-1.0.3.tgz",
+      "integrity": "sha1-slxQMrokEo/8QdCfr0pewbnBQzU=",
+      "requires": {
+        "object-assign": "^4.1.0"
+      }
+    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -13986,8 +17528,7 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "write": {
       "version": "1.0.3",
@@ -14103,6 +17644,14 @@
       "resolved": "https://registry.npmjs.org/ylru/-/ylru-1.2.1.tgz",
       "integrity": "sha512-faQrqNMzcPCHGVC2aaOINk13K+aaBDUPjGWl0teOXywElLjyVAB6Oe2jj62jHYtwsU49jXhScYbvPENK+6zAvQ==",
       "dev": true
+    },
+    "zero-crossings": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/zero-crossings/-/zero-crossings-1.0.1.tgz",
+      "integrity": "sha1-xWK9MRNkPzRDokXRJAa4i2m5qf8=",
+      "requires": {
+        "cwise-compiler": "^1.0.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 8002a3f36..0ea1a9a62 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
   "main": "dash_core_components/dash_core_components.min.js",
   "scripts": {
     "start": "webpack-serve ./webpack.serve.config.js --open",
+    "generator": "node generator/plotly.js",
     "lint": "eslint src tests",
     "lint:py": "flake8 --ignore=E501,F401,F841,F811,W503 tests",
     "test": "run-s -c lint lint:py format:test test-unit test:legacy test:intg test:pyimport",
@@ -25,14 +26,16 @@
     "uninstall-local": "pip uninstall dash-core-components -y",
     "build:js": "webpack --mode production",
     "build:py_and_r": "dash-generate-components ./src/components dash_core_components -p package-info.json && cp dash_core_components_base/** dash_core_components/ && dash-generate-components ./src/components dash_core_components -p package-info.json --r-prefix 'dcc'",
-    "build": "npm run build:js && npm run build:py_and_r",
+    "build": "run-s build:js generator build:py_and_r",
     "build:watch": "watch 'npm run build' src"
   },
   "author": "Chris Parmer <chris@plot.ly>",
   "license": "MIT",
   "dependencies": {
     "color": "^3.1.0",
+    "fast-isnumeric": "^1.1.3",
     "moment": "^2.20.1",
+    "plotly.js": "1.50.1",
     "prop-types": "^15.6.0",
     "ramda": "^0.26.1",
     "rc-slider": "^8.6.11",
@@ -43,20 +46,23 @@
     "react-markdown": "^4.0.6",
     "react-select-fast-filter-options": "^0.2.3",
     "react-virtualized-select": "^3.1.3",
-    "uniqid": "^5.0.3",
-    "fast-isnumeric": "^1.1.3"
+    "uniqid": "^5.0.3"
   },
   "devDependencies": {
     "@babel/core": "^7.4.0",
     "@babel/plugin-proposal-object-rest-spread": "^7.4.0",
+    "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/preset-env": "^7.4.1",
     "@babel/preset-react": "^7.0.0",
+    "@plotly/dash-component-plugins": "^1.0.1",
+    "@plotly/webpack-dash-dynamic-import": "^1.0.0",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^24.5.0",
     "babel-loader": "^8.0.5",
     "check-prop-types": "^1.1.2",
     "component-playground": "^3.0.0",
     "copyfiles": "^2.0.0",
+    "core-js": "^3.2.1",
     "css-loader": "^1.0.1",
     "enzyme": "^3.7.0",
     "enzyme-adapter-react-16": "^1.7.0",
@@ -73,8 +79,8 @@
     "react-dom": "^16.8.6",
     "style-loader": "^0.23.1",
     "styled-jsx": "^3.1.1",
-    "webpack": "^4.29.6",
-    "webpack-cli": "^3.3.0",
+    "webpack": "^4.37.0",
+    "webpack-cli": "^3.3.6",
     "webpack-serve": "^2.0.3"
   },
   "files": [
diff --git a/src/components/Graph.react.js b/src/components/Graph.react.js
index a5311aaf1..f87ae39d1 100644
--- a/src/components/Graph.react.js
+++ b/src/components/Graph.react.js
@@ -1,69 +1,25 @@
-import React, {Component} from 'react';
+import React, {Component, PureComponent, Suspense} from 'react';
 import PropTypes from 'prop-types';
-import {clone, equals, filter, has, includes, isNil, omit, type} from 'ramda';
-/* global Plotly:true */
 
-const filterEventData = (gd, eventData, event) => {
-    let filteredEventData;
-    if (includes(event, ['click', 'hover', 'selected'])) {
-        const points = [];
-
-        if (isNil(eventData)) {
-            return null;
-        }
-
-        /*
-         * remove `data`, `layout`, `xaxis`, etc
-         * objects from the event data since they're so big
-         * and cause JSON stringify ciricular structure errors.
-         *
-         * also, pull down the `customdata` point from the data array
-         * into the event object
-         */
-        const data = gd.data;
-
-        for (let i = 0; i < eventData.points.length; i++) {
-            const fullPoint = eventData.points[i];
-            const pointData = filter(function(o) {
-                return !includes(type(o), ['Object', 'Array']);
-            }, fullPoint);
-            if (
-                has('curveNumber', fullPoint) &&
-                has('pointNumber', fullPoint) &&
-                has('customdata', data[pointData.curveNumber])
-            ) {
-                pointData.customdata =
-                    data[pointData.curveNumber].customdata[
-                        fullPoint.pointNumber
-                    ];
-            }
-
-            // specific to histogram. see https://github.com/plotly/plotly.js/pull/2113/
-            if (has('pointNumbers', fullPoint)) {
-                pointData.pointNumbers = fullPoint.pointNumbers;
-            }
-
-            points[i] = pointData;
-        }
-        filteredEventData = {points};
-    } else if (event === 'relayout' || event === 'restyle') {
-        /*
-         * relayout shouldn't include any big objects
-         * it will usually just contain the ranges of the axes like
-         * "xaxis.range[0]": 0.7715822247381828,
-         * "xaxis.range[1]": 3.0095292008680063`
-         */
-        filteredEventData = eventData;
-    }
-    if (has('range', eventData)) {
-        filteredEventData.range = eventData.range;
-    }
-    if (has('lassoPoints', eventData)) {
-        filteredEventData.lassoPoints = eventData.lassoPoints;
-    }
-    return filteredEventData;
+import {asyncDecorator} from '@plotly/dash-component-plugins';
+
+const loader = {
+    plotly: () =>
+        Promise.resolve(
+            window.Plotly ||
+                import(/* webpackChunkName: "plotlyjs" */ 'plotly.js').then(
+                    ({default: Plotly}) => {
+                        window.Plotly = Plotly;
+                        return Plotly;
+                    }
+                )
+        ),
+    graph: () =>
+        import(/* webpackChunkName: "graph" */ '../fragments/Graph.react'),
 };
 
+const EMPTY_EXTEND_DATA = [];
+
 /**
  * Graph can be used to render any plotly.js-powered data visualization.
  *
@@ -73,210 +29,92 @@ const filterEventData = (gd, eventData, event) => {
 class PlotlyGraph extends Component {
     constructor(props) {
         super(props);
-        this.gd = React.createRef();
-        this.bindEvents = this.bindEvents.bind(this);
-        this._hasPlotted = false;
-        this._prevGd = null;
-        this.graphResize = this.graphResize.bind(this);
+
+        this.state = {
+            extendData: [],
+        };
+
+        this.clearExtendData = this.clearExtendData.bind(this);
     }
 
-    plot(props) {
-        const {figure, animate, animation_options, config} = props;
-        const gd = this.gd.current;
-        if (
-            animate &&
-            this._hasPlotted &&
-            figure.data.length === gd.data.length
-        ) {
-            return Plotly.animate(gd, figure, animation_options);
+    componentDidMount() {
+        if (this.props.extendData) {
+            this.setState({
+                extendData: [this.props.extendData],
+            });
         }
-        return Plotly.react(gd, {
-            data: figure.data,
-            layout: clone(figure.layout),
-            frames: figure.frames,
-            config: config,
-        }).then(() => {
-            const gd = this.gd.current;
-            // double-check gd hasn't been unmounted
-            if (!gd) {
-                return;
-            }
-
-            // in case we've made a new DOM element, transfer events
-            if (this._hasPlotted && gd !== this._prevGd) {
-                if (this._prevGd && this._prevGd.removeAllListeners) {
-                    this._prevGd.removeAllListeners();
-                    Plotly.purge(this._prevGd);
-                }
-                this._hasPlotted = false;
-            }
-
-            if (!this._hasPlotted) {
-                this.bindEvents();
-                Plotly.Plots.resize(gd);
-                this._hasPlotted = true;
-                this._prevGd = gd;
-            }
-        });
     }
 
-    extend(props) {
-        const {extendData} = props;
-        let updateData, traceIndices, maxPoints;
-        if (Array.isArray(extendData) && typeof extendData[0] === 'object') {
-            [updateData, traceIndices, maxPoints] = extendData;
-        } else {
-            updateData = extendData;
-        }
+    componentWillUnmount() {
+        this.setState({
+            extendData: [],
+        });
+    }
 
-        if (!traceIndices) {
-            function getFirstProp(data) {
-                return data[Object.keys(data)[0]];
-            }
+    componentWillReceiveProps(nextProps) {
+        let extendData = this.state.extendData.slice(0);
 
-            function generateIndices(data) {
-                return Array.from(Array(getFirstProp(data).length).keys());
-            }
-            traceIndices = generateIndices(updateData);
+        if (this.props.figure !== nextProps.figure) {
+            extendData = EMPTY_EXTEND_DATA;
         }
 
-        const gd = this.gd.current;
-        return Plotly.extendTraces(gd, updateData, traceIndices, maxPoints);
-    }
+        if (
+            nextProps.extendData &&
+            this.props.extendData !== nextProps.extendData
+        ) {
+            extendData.push(nextProps.extendData);
+        } else {
+            extendData = EMPTY_EXTEND_DATA;
+        }
 
-    graphResize() {
-        const gd = this.gd.current;
-        if (gd) {
-            Plotly.Plots.resize(gd);
+        if (extendData !== EMPTY_EXTEND_DATA) {
+            this.setState({
+                extendData,
+            });
         }
     }
 
-    bindEvents() {
-        const {
-            setProps,
-            clear_on_unhover,
-            relayoutData,
-            restyleData,
-            hoverData,
-            selectedData,
-        } = this.props;
-
-        const gd = this.gd.current;
-
-        gd.on('plotly_click', eventData => {
-            const clickData = filterEventData(gd, eventData, 'click');
-            if (!isNil(clickData)) {
-                setProps({clickData});
-            }
-        });
-        gd.on('plotly_clickannotation', eventData => {
-            const clickAnnotationData = omit(
-                ['event', 'fullAnnotation'],
-                eventData
-            );
-            setProps({clickAnnotationData});
-        });
-        gd.on('plotly_hover', eventData => {
-            const hover = filterEventData(gd, eventData, 'hover');
-            if (!isNil(hover) && !equals(hover, hoverData)) {
-                setProps({hoverData: hover});
-            }
-        });
-        gd.on('plotly_selected', eventData => {
-            const selected = filterEventData(gd, eventData, 'selected');
-            if (!isNil(selected) && !equals(selected, selectedData)) {
-                setProps({selectedData: selected});
-            }
-        });
-        gd.on('plotly_deselect', () => {
-            setProps({selectedData: null});
-        });
-        gd.on('plotly_relayout', eventData => {
-            const relayout = filterEventData(gd, eventData, 'relayout');
-            if (!isNil(relayout) && !equals(relayout, relayoutData)) {
-                setProps({relayoutData: relayout});
-            }
-        });
-        gd.on('plotly_restyle', eventData => {
-            const restyle = filterEventData(gd, eventData, 'restyle');
-            if (!isNil(restyle) && !equals(restyle, restyleData)) {
-                setProps({restyleData: restyle});
-            }
-        });
-        gd.on('plotly_unhover', () => {
-            if (clear_on_unhover) {
-                setProps({hoverData: null});
-            }
-        });
-    }
+    clearExtendData() {
+        this.setState(({extendData}) => {
+            const res =
+                extendData && extendData.length
+                    ? {
+                          extendData: EMPTY_EXTEND_DATA,
+                      }
+                    : undefined;
 
-    componentDidMount() {
-        this.plot(this.props).then(() => {
-            window.addEventListener('resize', this.graphResize);
+            return res;
         });
     }
 
-    componentWillUnmount() {
-        const gd = this.gd.current;
-        if (gd && gd.removeAllListeners) {
-            gd.removeAllListeners();
-            if (this._hasPlotted) {
-                Plotly.purge(gd);
-            }
-        }
-        window.removeEventListener('resize', this.graphResize);
-    }
-
-    shouldComponentUpdate(nextProps) {
+    render() {
         return (
-            this.props.id !== nextProps.id ||
-            JSON.stringify(this.props.style) !== JSON.stringify(nextProps.style)
+            <ControlledPlotlyGraph
+                {...{
+                    ...this.props,
+                    extendData: this.state.extendData,
+                    clearExtendData: this.clearExtendData,
+                }}
+            />
         );
     }
+}
 
-    componentWillReceiveProps(nextProps) {
-        const idChanged = this.props.id !== nextProps.id;
-        if (idChanged) {
-            /*
-             * then the dom needs to get re-rendered with a new ID.
-             * the graph will get updated in componentDidUpdate
-             */
-            return;
-        }
-        if (this.props.figure !== nextProps.figure) {
-            this.plot(nextProps);
-        }
-
-        if (this.props.extendData !== nextProps.extendData) {
-            this.extend(nextProps);
-        }
-    }
-
-    componentDidUpdate(prevProps) {
-        if (prevProps.id !== this.props.id) {
-            this.plot(this.props);
-        }
-    }
+const RealPlotlyGraph = asyncDecorator(PlotlyGraph, () =>
+    loader.plotly().then(() => loader.graph())
+);
 
+class ControlledPlotlyGraph extends PureComponent {
     render() {
-        const {className, id, style, loading_state} = this.props;
-
         return (
-            <div
-                key={id}
-                id={id}
-                ref={this.gd}
-                data-dash-is-loading={
-                    (loading_state && loading_state.is_loading) || undefined
-                }
-                style={style}
-                className={className}
-            />
+            <Suspense fallback={null}>
+                <RealPlotlyGraph {...this.props} />
+            </Suspense>
         );
     }
 }
 
-const graphPropTypes = {
+export const graphPropTypes = {
     /**
      * The ID of this component, used to identify dash components
      * in callbacks. The ID needs to be unique across all of the
@@ -654,7 +492,7 @@ const graphPropTypes = {
     }),
 };
 
-const graphDefaultProps = {
+export const graphDefaultProps = {
     clickData: null,
     clickAnnotationData: null,
     hoverData: null,
@@ -662,7 +500,11 @@ const graphDefaultProps = {
     relayoutData: null,
     extendData: null,
     restyleData: null,
-    figure: {data: [], layout: {}, frames: []},
+    figure: {
+        data: [],
+        layout: {},
+        frames: [],
+    },
     animate: false,
     animation_options: {
         frame: {
diff --git a/src/fragments/Graph.react.js b/src/fragments/Graph.react.js
new file mode 100644
index 000000000..dd239ff41
--- /dev/null
+++ b/src/fragments/Graph.react.js
@@ -0,0 +1,306 @@
+import React, {Component} from 'react';
+import {clone, equals, filter, has, includes, isNil, omit, type} from 'ramda';
+import PropTypes from 'prop-types';
+import {graphPropTypes, graphDefaultProps} from '../components/Graph.react';
+/* global Plotly:true */
+
+const filterEventData = (gd, eventData, event) => {
+    let filteredEventData;
+    if (includes(event, ['click', 'hover', 'selected'])) {
+        const points = [];
+
+        if (isNil(eventData)) {
+            return null;
+        }
+
+        /*
+         * remove `data`, `layout`, `xaxis`, etc
+         * objects from the event data since they're so big
+         * and cause JSON stringify ciricular structure errors.
+         *
+         * also, pull down the `customdata` point from the data array
+         * into the event object
+         */
+        const data = gd.data;
+
+        for (let i = 0; i < eventData.points.length; i++) {
+            const fullPoint = eventData.points[i];
+            const pointData = filter(function(o) {
+                return !includes(type(o), ['Object', 'Array']);
+            }, fullPoint);
+            if (
+                has('curveNumber', fullPoint) &&
+                has('pointNumber', fullPoint) &&
+                has('customdata', data[pointData.curveNumber])
+            ) {
+                pointData.customdata =
+                    data[pointData.curveNumber].customdata[
+                        fullPoint.pointNumber
+                    ];
+            }
+
+            // specific to histogram. see https://github.com/plotly/plotly.js/pull/2113/
+            if (has('pointNumbers', fullPoint)) {
+                pointData.pointNumbers = fullPoint.pointNumbers;
+            }
+
+            points[i] = pointData;
+        }
+        filteredEventData = {points};
+    } else if (event === 'relayout' || event === 'restyle') {
+        /*
+         * relayout shouldn't include any big objects
+         * it will usually just contain the ranges of the axes like
+         * "xaxis.range[0]": 0.7715822247381828,
+         * "xaxis.range[1]": 3.0095292008680063`
+         */
+        filteredEventData = eventData;
+    }
+    if (has('range', eventData)) {
+        filteredEventData.range = eventData.range;
+    }
+    if (has('lassoPoints', eventData)) {
+        filteredEventData.lassoPoints = eventData.lassoPoints;
+    }
+    return filteredEventData;
+};
+
+/**
+ * Graph can be used to render any plotly.js-powered data visualization.
+ *
+ * You can define callbacks based on user interaction with Graphs such as
+ * hovering, clicking or selecting
+ */
+class PlotlyGraph extends Component {
+    constructor(props) {
+        super(props);
+        this.gd = React.createRef();
+        this.bindEvents = this.bindEvents.bind(this);
+        this._hasPlotted = false;
+        this._prevGd = null;
+        this.graphResize = this.graphResize.bind(this);
+    }
+
+    plot(props) {
+        const {figure, animate, animation_options, config} = props;
+        const gd = this.gd.current;
+
+        if (
+            animate &&
+            this._hasPlotted &&
+            figure.data.length === gd.data.length
+        ) {
+            return Plotly.animate(gd, figure, animation_options);
+        }
+        return Plotly.react(gd, {
+            data: figure.data,
+            layout: clone(figure.layout),
+            frames: figure.frames,
+            config: config,
+        }).then(() => {
+            const gd = this.gd.current;
+
+            // double-check gd hasn't been unmounted
+            if (!gd) {
+                return;
+            }
+
+            // in case we've made a new DOM element, transfer events
+            if (this._hasPlotted && gd !== this._prevGd) {
+                if (this._prevGd && this._prevGd.removeAllListeners) {
+                    this._prevGd.removeAllListeners();
+                    Plotly.purge(this._prevGd);
+                }
+                this._hasPlotted = false;
+            }
+
+            if (!this._hasPlotted) {
+                this.bindEvents();
+                Plotly.Plots.resize(gd);
+                this._hasPlotted = true;
+                this._prevGd = gd;
+            }
+        });
+    }
+
+    extend(props) {
+        const {clearExtendData, extendData: extendDataArray} = props;
+
+        extendDataArray.forEach(extendData => {
+            let updateData, traceIndices, maxPoints;
+            if (
+                Array.isArray(extendData) &&
+                typeof extendData[0] === 'object'
+            ) {
+                [updateData, traceIndices, maxPoints] = extendData;
+            } else {
+                updateData = extendData;
+            }
+
+            if (!traceIndices) {
+                function getFirstProp(data) {
+                    return data[Object.keys(data)[0]];
+                }
+
+                function generateIndices(data) {
+                    return Array.from(Array(getFirstProp(data).length).keys());
+                }
+                traceIndices = generateIndices(updateData);
+            }
+
+            const gd = this.gd.current;
+            return Plotly.extendTraces(gd, updateData, traceIndices, maxPoints);
+        });
+        clearExtendData();
+    }
+
+    graphResize() {
+        const gd = this.gd.current;
+        if (gd) {
+            Plotly.Plots.resize(gd);
+        }
+    }
+
+    bindEvents() {
+        const {
+            setProps,
+            clear_on_unhover,
+            relayoutData,
+            restyleData,
+            hoverData,
+            selectedData,
+        } = this.props;
+
+        const gd = this.gd.current;
+
+        gd.on('plotly_click', eventData => {
+            const clickData = filterEventData(gd, eventData, 'click');
+            if (!isNil(clickData)) {
+                setProps({clickData});
+            }
+        });
+        gd.on('plotly_clickannotation', eventData => {
+            const clickAnnotationData = omit(
+                ['event', 'fullAnnotation'],
+                eventData
+            );
+            setProps({clickAnnotationData});
+        });
+        gd.on('plotly_hover', eventData => {
+            const hover = filterEventData(gd, eventData, 'hover');
+            if (!isNil(hover) && !equals(hover, hoverData)) {
+                setProps({hoverData: hover});
+            }
+        });
+        gd.on('plotly_selected', eventData => {
+            const selected = filterEventData(gd, eventData, 'selected');
+            if (!isNil(selected) && !equals(selected, selectedData)) {
+                setProps({selectedData: selected});
+            }
+        });
+        gd.on('plotly_deselect', () => {
+            setProps({selectedData: null});
+        });
+        gd.on('plotly_relayout', eventData => {
+            const relayout = filterEventData(gd, eventData, 'relayout');
+            if (!isNil(relayout) && !equals(relayout, relayoutData)) {
+                setProps({relayoutData: relayout});
+            }
+        });
+        gd.on('plotly_restyle', eventData => {
+            const restyle = filterEventData(gd, eventData, 'restyle');
+            if (!isNil(restyle) && !equals(restyle, restyleData)) {
+                setProps({restyleData: restyle});
+            }
+        });
+        gd.on('plotly_unhover', () => {
+            if (clear_on_unhover) {
+                setProps({hoverData: null});
+            }
+        });
+    }
+
+    componentDidMount() {
+        this.plot(this.props).then(() => {
+            window.addEventListener('resize', this.graphResize);
+        });
+
+        if (this.props.extendData) {
+            this.extend(this.props);
+        }
+    }
+
+    componentWillUnmount() {
+        const gd = this.gd.current;
+        if (gd && gd.removeAllListeners) {
+            gd.removeAllListeners();
+            if (this._hasPlotted) {
+                Plotly.purge(gd);
+            }
+        }
+        window.removeEventListener('resize', this.graphResize);
+    }
+
+    shouldComponentUpdate(nextProps) {
+        return (
+            this.props.id !== nextProps.id ||
+            JSON.stringify(this.props.style) !== JSON.stringify(nextProps.style)
+        );
+    }
+
+    componentWillReceiveProps(nextProps) {
+        const idChanged = this.props.id !== nextProps.id;
+        if (idChanged) {
+            /*
+             * then the dom needs to get re-rendered with a new ID.
+             * the graph will get updated in componentDidUpdate
+             */
+            return;
+        }
+        if (this.props.figure !== nextProps.figure) {
+            this.plot(nextProps);
+        }
+
+        if (this.props.extendData !== nextProps.extendData) {
+            this.extend(nextProps);
+        }
+    }
+
+    componentDidUpdate(prevProps) {
+        if (prevProps.id !== this.props.id) {
+            this.plot(this.props);
+        }
+    }
+
+    render() {
+        const {className, id, style, loading_state} = this.props;
+
+        return (
+            <div
+                key={id}
+                id={id}
+                ref={this.gd}
+                data-dash-is-loading={
+                    (loading_state && loading_state.is_loading) || undefined
+                }
+                style={style}
+                className={className}
+            />
+        );
+    }
+}
+
+PlotlyGraph.propTypes = {
+    ...graphPropTypes,
+    extendData: PropTypes.arrayOf(
+        PropTypes.oneOfType([PropTypes.array, PropTypes.object])
+    ),
+    clearExtendData: PropTypes.func.isRequired,
+};
+
+PlotlyGraph.defaultProps = {
+    ...graphDefaultProps,
+    extendData: [],
+};
+
+export default PlotlyGraph;
diff --git a/tests/integration/graph/test_graph_basics.py b/tests/integration/graph/test_graph_basics.py
index 3a5931777..55d361e18 100644
--- a/tests/integration/graph/test_graph_basics.py
+++ b/tests/integration/graph/test_graph_basics.py
@@ -11,8 +11,9 @@
 import dash.testing.wait as wait
 
 
-def test_grbs001_graph_without_ids(dash_dcc):
-    app = dash.Dash(__name__)
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_grbs001_graph_without_ids(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
     app.layout = html.Div(
         [
             dcc.Graph(className="graph-no-id-1"),
@@ -31,7 +32,8 @@ def test_grbs001_graph_without_ids(dash_dcc):
 
 
 @pytest.mark.DCC608
-def test_grbs002_wrapped_graph_has_no_infinite_loop(dash_dcc):
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_grbs002_wrapped_graph_has_no_infinite_loop(dash_dcc, is_eager):
 
     df = pd.DataFrame(np.random.randn(50, 50))
     figure = {
@@ -41,7 +43,7 @@ def test_grbs002_wrapped_graph_has_no_infinite_loop(dash_dcc):
         "layout": {"xaxis": {"scaleanchor": "y"}},
     }
 
-    app = dash.Dash(__name__)
+    app = dash.Dash(__name__, eager_loading=is_eager)
     app.layout = html.Div(
         style={
             "backgroundColor": "red",
diff --git a/tests/integration/graph/test_graph_purge.py b/tests/integration/graph/test_graph_purge.py
index 8fa7dabb4..01884557f 100644
--- a/tests/integration/graph/test_graph_purge.py
+++ b/tests/integration/graph/test_graph_purge.py
@@ -1,3 +1,4 @@
+import pytest
 import time
 
 from selenium.webdriver.common.keys import Keys
@@ -8,8 +9,9 @@
 import dash_html_components as html
 
 
-def test_grgp001_clean_purge(dash_dcc):
-    app = dash.Dash(__name__)
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_grgp001_clean_purge(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
 
     app.layout = html.Div([
         html.Button("toggle children", id="tog"),
diff --git a/tests/integration/graph/test_graph_varia.py b/tests/integration/graph/test_graph_varia.py
new file mode 100644
index 000000000..f4a340b46
--- /dev/null
+++ b/tests/integration/graph/test_graph_varia.py
@@ -0,0 +1,542 @@
+# -*- coding: utf-8 -*-
+import os
+import sys
+import pytest
+import time
+import json
+import flask
+import dash
+from multiprocessing import Value
+from dash.dependencies import Input, Output, State
+import dash_html_components as html
+import dash_core_components as dcc
+from dash.exceptions import PreventUpdate
+from selenium.webdriver.common.keys import Keys
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+
+
+def findSyncPlotlyJs(scripts):
+    for script in scripts:
+        if "dash_core_components/plotly-" in script.get_attribute('src'):
+            return script
+
+
+def findAsyncPlotlyJs(scripts):
+    for script in scripts:
+        if "dash_core_components/async~plotlyjs" in script.get_attribute(
+            'src'
+        ):
+            return script
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_candlestick(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+    app.layout = html.Div(
+        [
+            html.Button(
+                id="button", children="Update Candlestick", n_clicks=0
+            ),
+            dcc.Graph(id="graph"),
+        ]
+    )
+
+    @app.callback(Output("graph", "figure"), [Input("button", "n_clicks")])
+    def update_graph(n_clicks):
+        return {
+            "data": [
+                {
+                    "open": [1] * 5,
+                    "high": [3] * 5,
+                    "low": [0] * 5,
+                    "close": [2] * 5,
+                    "x": [n_clicks] * 5,
+                    "type": "candlestick",
+                }
+            ]
+        }
+
+    dash_dcc.start_server(app=app)
+
+    button = dash_dcc.wait_for_element("#button")
+
+    # wait for Graph to be ready
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.visibility_of_element_located((By.CSS_SELECTOR, "#graph .main-svg"))
+    )
+
+    dash_dcc.percy_snapshot("candlestick - initial ({})".format("eager" if is_eager else "lazy"))
+    button.click()
+    time.sleep(1)
+    dash_dcc.percy_snapshot("candlestick - 1 click ({})".format("eager" if is_eager else "lazy"))
+
+    button.click()
+    time.sleep(1)
+    dash_dcc.percy_snapshot("candlestick - 2 click ({})".format("eager" if is_eager else "lazy"))
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_graphs_with_different_figures(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+    app.layout = html.Div(
+        [
+            dcc.Graph(
+                id="example-graph",
+                figure={
+                    "data": [
+                        {
+                            "x": [1, 2, 3],
+                            "y": [4, 1, 2],
+                            "type": "bar",
+                            "name": "SF",
+                        },
+                        {
+                            "x": [1, 2, 3],
+                            "y": [2, 4, 5],
+                            "type": "bar",
+                            "name": u"Montréal",
+                        },
+                    ],
+                    "layout": {"title": "Dash Data Visualization"},
+                },
+            ),
+            dcc.Graph(
+                id="example-graph-2",
+                figure={
+                    "data": [
+                        {
+                            "x": [20, 24, 33],
+                            "y": [5, 2, 3],
+                            "type": "bar",
+                            "name": "SF",
+                        },
+                        {
+                            "x": [11, 22, 33],
+                            "y": [22, 44, 55],
+                            "type": "bar",
+                            "name": u"Montréal",
+                        },
+                    ],
+                    "layout": {"title": "Dash Data Visualization"},
+                },
+            ),
+            html.Div(id="restyle-data"),
+            html.Div(id="relayout-data"),
+        ]
+    )
+
+    @app.callback(
+        Output("restyle-data", "children"),
+        [Input("example-graph", "restyleData")],
+    )
+    def show_restyle_data(data):
+        if data is None:  # ignore initial
+            return ""
+        return json.dumps(data)
+
+    @app.callback(
+        Output("relayout-data", "children"),
+        [Input("example-graph", "relayoutData")],
+    )
+    def show_relayout_data(data):
+        if (
+            data is None or "autosize" in data
+        ):  # ignore initial & auto width
+            return ""
+        return json.dumps(data)
+
+    dash_dcc.start_server(app)
+
+    # use this opportunity to test restyleData, since there are multiple
+    # traces on this graph
+    legendToggle = dash_dcc.driver.find_element_by_css_selector(
+        "#example-graph .traces:first-child .legendtoggle"
+    )
+    legendToggle.click()
+    dash_dcc.wait_for_text_to_equal(
+        "#restyle-data", '[{"visible": ["legendonly"]}, [0]]'
+    )
+
+    # move snapshot after click, so it's more stable with the wait
+    dash_dcc.percy_snapshot("2 graphs with different figures ({})".format("eager" if is_eager else "lazy"))
+
+    # and test relayoutData while we're at it
+    autoscale = dash_dcc.driver.find_element_by_css_selector(
+        "#example-graph .ewdrag"
+    )
+    autoscale.click()
+    autoscale.click()
+    dash_dcc.wait_for_text_to_equal(
+        "#relayout-data", '{"xaxis.autorange": true}'
+    )
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_empty_graph(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+
+    app.layout = html.Div(
+        [
+            html.Button(id="click", children="Click me"),
+            dcc.Graph(
+                id="graph",
+                figure={
+                    "data": [
+                        dict(x=[1, 2, 3], y=[1, 2, 3], type="scatter")
+                    ]
+                },
+            ),
+        ]
+    )
+
+    @app.callback(
+        dash.dependencies.Output("graph", "figure"),
+        [dash.dependencies.Input("click", "n_clicks")],
+        [dash.dependencies.State("graph", "figure")],
+    )
+    def render_content(click, prev_graph):
+        if click:
+            return {}
+        return prev_graph
+
+    dash_dcc.start_server(app)
+    button = dash_dcc.wait_for_element("#click")
+    button.click()
+    time.sleep(2)  # Wait for graph to re-render
+    dash_dcc.percy_snapshot("render-empty-graph ({})".format("eager" if is_eager else "lazy"))
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_graph_extend_trace(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+
+    def generate_with_id(id, data=None):
+        if data is None:
+            data = [{"x": [0, 1, 2, 3, 4], "y": [0, 0.5, 1, 0.5, 0]}]
+
+        return html.Div(
+            [
+                html.P(id),
+                dcc.Graph(id=id, figure=dict(data=data)),
+                html.Div(id="output_{}".format(id)),
+            ]
+        )
+
+    figs = [
+        "trace_will_extend",
+        "trace_will_extend_with_no_indices",
+        "trace_will_extend_with_max_points",
+    ]
+
+    layout = [generate_with_id(id) for id in figs]
+
+    figs.append("trace_will_allow_repeated_extend")
+    data = [{"y": [0, 0, 0]}]
+    layout.append(generate_with_id(figs[-1], data))
+
+    figs.append("trace_will_extend_selectively")
+    data = [
+        {"x": [0, 1, 2, 3, 4], "y": [0, 0.5, 1, 0.5, 0]},
+        {"x": [0, 1, 2, 3, 4], "y": [1, 1, 1, 1, 1]},
+    ]
+    layout.append(generate_with_id(figs[-1], data))
+
+    layout.append(
+        dcc.Interval(
+            id="interval_extendablegraph_update",
+            interval=10,
+            n_intervals=0,
+            max_intervals=1,
+        )
+    )
+
+    layout.append(
+        dcc.Interval(
+            id="interval_extendablegraph_extendtwice",
+            interval=500,
+            n_intervals=0,
+            max_intervals=2,
+        )
+    )
+
+    app.layout = html.Div(layout)
+
+    @app.callback(
+        Output("trace_will_allow_repeated_extend", "extendData"),
+        [Input("interval_extendablegraph_extendtwice", "n_intervals")],
+    )
+    def trace_will_allow_repeated_extend(n_intervals):
+        if n_intervals is None or n_intervals < 1:
+            raise PreventUpdate
+
+        return dict(y=[[0.1, 0.2, 0.3, 0.4, 0.5]])
+
+    @app.callback(
+        Output("trace_will_extend", "extendData"),
+        [Input("interval_extendablegraph_update", "n_intervals")],
+    )
+    def trace_will_extend(n_intervals):
+        if n_intervals is None or n_intervals < 1:
+            raise PreventUpdate
+
+        x_new = [5, 6, 7, 8, 9]
+        y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
+        return dict(x=[x_new], y=[y_new]), [0]
+
+    @app.callback(
+        Output("trace_will_extend_selectively", "extendData"),
+        [Input("interval_extendablegraph_update", "n_intervals")],
+    )
+    def trace_will_extend_selectively(n_intervals):
+        if n_intervals is None or n_intervals < 1:
+            raise PreventUpdate
+
+        x_new = [5, 6, 7, 8, 9]
+        y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
+        return dict(x=[x_new], y=[y_new]), [1]
+
+    @app.callback(
+        Output("trace_will_extend_with_no_indices", "extendData"),
+        [Input("interval_extendablegraph_update", "n_intervals")],
+    )
+    def trace_will_extend_with_no_indices(n_intervals):
+        if n_intervals is None or n_intervals < 1:
+            raise PreventUpdate
+
+        x_new = [5, 6, 7, 8, 9]
+        y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
+        return dict(x=[x_new], y=[y_new])
+
+    @app.callback(
+        Output("trace_will_extend_with_max_points", "extendData"),
+        [Input("interval_extendablegraph_update", "n_intervals")],
+    )
+    def trace_will_extend_with_max_points(n_intervals):
+        if n_intervals is None or n_intervals < 1:
+            raise PreventUpdate
+
+        x_new = [5, 6, 7, 8, 9]
+        y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
+        return dict(x=[x_new], y=[y_new]), [0], 7
+
+    for id in figs:
+
+        @app.callback(
+            Output("output_{}".format(id), "children"),
+            [Input(id, "extendData")],
+            [State(id, "figure")],
+        )
+        def display_data(trigger, fig):
+            return json.dumps(fig["data"])
+
+    dash_dcc.start_server(app)
+
+    comparison = json.dumps(
+        [
+            dict(
+                x=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+                y=[0, 0.5, 1, 0.5, 0, 0.1, 0.2, 0.3, 0.4, 0.5],
+            )
+        ]
+    )
+    dash_dcc.wait_for_text_to_equal("#output_trace_will_extend", comparison)
+    dash_dcc.wait_for_text_to_equal(
+        "#output_trace_will_extend_with_no_indices", comparison
+    )
+    comparison = json.dumps(
+        [
+            dict(x=[0, 1, 2, 3, 4], y=[0, 0.5, 1, 0.5, 0]),
+            dict(
+                x=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+                y=[1, 1, 1, 1, 1, 0.1, 0.2, 0.3, 0.4, 0.5],
+            ),
+        ]
+    )
+    dash_dcc.wait_for_text_to_equal(
+        "#output_trace_will_extend_selectively", comparison
+    )
+
+    comparison = json.dumps(
+        [
+            dict(
+                x=[3, 4, 5, 6, 7, 8, 9],
+                y=[0.5, 0, 0.1, 0.2, 0.3, 0.4, 0.5],
+            )
+        ]
+    )
+    dash_dcc.wait_for_text_to_equal(
+        "#output_trace_will_extend_with_max_points", comparison
+    )
+
+    comparison = json.dumps(
+        [
+            dict(
+                y=[
+                    0,
+                    0,
+                    0,
+                    0.1,
+                    0.2,
+                    0.3,
+                    0.4,
+                    0.5,
+                    0.1,
+                    0.2,
+                    0.3,
+                    0.4,
+                    0.5,
+                ]
+            )
+        ]
+    )
+    dash_dcc.wait_for_text_to_equal(
+        "#output_trace_will_allow_repeated_extend", comparison
+    )
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_unmounted_graph_resize(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+
+    app.layout = html.Div(
+        children=[
+            dcc.Tabs(
+                id="tabs",
+                children=[
+                    dcc.Tab(
+                        label="Tab one",
+                        children=[
+                            html.Div(
+                                [
+                                    dcc.Graph(
+                                        id="eg-graph-1",
+                                        figure={
+                                            "data": [
+                                                {
+                                                    "x": [1, 2, 3],
+                                                    "y": [4, 1, 2],
+                                                    "type": "scattergl",
+                                                    "name": "SF",
+                                                },
+                                                {
+                                                    "x": [1, 2, 3],
+                                                    "y": [2, 4, 5],
+                                                    "type": "scattergl",
+                                                    "name": u"Montréal",
+                                                },
+                                            ]
+                                        },
+                                    )
+                                ],
+                                id="graph-tab-1",
+                            )
+                        ],
+                    ),
+                    dcc.Tab(
+                        label="Tab two",
+                        children=[
+                            dcc.Graph(
+                                id="eg-graph-2",
+                                figure={
+                                    "data": [
+                                        {
+                                            "x": [1, 2, 3],
+                                            "y": [1, 4, 1],
+                                            "type": "scattergl",
+                                            "name": "SF",
+                                        },
+                                        {
+                                            "x": [1, 2, 3],
+                                            "y": [1, 2, 3],
+                                            "type": "scattergl",
+                                            "name": u"Montréal",
+                                        },
+                                    ]
+                                },
+                            )
+                        ],
+                        id="graph-tab-2",
+                    ),
+                ],
+            )
+        ]
+    )
+
+    dash_dcc.start_server(app)
+
+    try:
+        dash_dcc.wait_for_element("#eg-graph-1")
+    except Exception as e:
+        print(
+            dash_dcc.wait_for_element(
+                "#_dash-app-content"
+            ).get_attribute("innerHTML")
+        )
+        raise e
+
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.element_to_be_clickable((By.ID, "graph-tab-2"))
+    )
+
+    tab_two = dash_dcc.wait_for_element("#graph-tab-2")
+
+    tab_two.click()
+
+    # save the current window size
+    window_size = dash_dcc.driver.get_window_size()
+
+    # resize
+    dash_dcc.driver.set_window_size(800, 600)
+
+    for entry in dash_dcc.get_logs():
+        raise Exception("browser error logged during test", entry)
+
+    # set back to original size
+    dash_dcc.driver.set_window_size(
+        window_size["width"], window_size["height"]
+    )
+
+
+def test_external_plotlyjs_prevents_lazy(dash_dcc):
+    app = dash.Dash(
+        __name__,
+        eager_loading=False,
+        external_scripts=[
+            'https://unpkg.com/plotly.js/dist/plotly.min.js'
+        ]
+    )
+
+    app.layout = html.Div(id="div", children=[html.Button(id="btn")])
+
+    @app.callback(Output("div", "children"), [Input("btn", "n_clicks")])
+    def load_chart(n_clicks):
+        if n_clicks is None:
+            raise PreventUpdate
+
+        return dcc.Graph(id="output", figure={"data": [{"y": [3, 1, 2]}]})
+
+    dash_dcc.start_server(
+        app,
+        debug=True,
+        use_reloader=False,
+        use_debugger=True,
+        dev_tools_hot_reload=False,
+    )
+
+    # Give time for the async dependency to be requested (if any)
+    time.sleep(2)
+
+    scripts = dash_dcc.driver.find_elements(By.CSS_SELECTOR, "script")
+    assert findSyncPlotlyJs(scripts) is None
+    assert findAsyncPlotlyJs(scripts) is None
+
+    dash_dcc.find_element("#btn").click()
+
+    # Give time for the async dependency to be requested (if any)
+    time.sleep(2)
+
+    scripts = dash_dcc.driver.find_elements(By.CSS_SELECTOR, "script")
+    assert findSyncPlotlyJs(scripts) is None
+    assert findAsyncPlotlyJs(scripts) is None
diff --git a/tests/integration/misc/test_platter.py b/tests/integration/misc/test_platter.py
index dba71f555..ebca8f294 100644
--- a/tests/integration/misc/test_platter.py
+++ b/tests/integration/misc/test_platter.py
@@ -10,6 +10,10 @@ def test_mspl001_dcc_components_platter(platter_app, dash_dcc):
     dash_dcc.start_server(platter_app)
 
     dash_dcc.wait_for_element("#waitfor")
+
+    # wait for Graph to be ready
+    dash_dcc.wait_for_element("#graph .main-svg")
+
     dash_dcc.percy_snapshot("gallery")
 
     dash_dcc.find_element("#dropdown .Select-input input").send_keys(u"北")
diff --git a/tests/integration/tab/test_tabs_with_graphs.py b/tests/integration/tab/test_tabs_with_graphs.py
new file mode 100644
index 000000000..2dfd1e68f
--- /dev/null
+++ b/tests/integration/tab/test_tabs_with_graphs.py
@@ -0,0 +1,248 @@
+import dash
+from dash.dependencies import Input, Output
+from dash.exceptions import PreventUpdate
+import dash.testing.wait as wait
+import dash_core_components as dcc
+import dash_html_components as html
+import json
+from multiprocessing import Value
+import numpy as np
+import os
+import pandas as pd
+import pytest
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support import expected_conditions as EC
+from selenium.webdriver.support.ui import WebDriverWait
+import time
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_graph_does_not_resize_in_tabs(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+    app.layout = html.Div(
+        [
+            html.H1('Dash Tabs component demo'),
+            dcc.Tabs(
+                id="tabs-example",
+                value='tab-1-example',
+                children=[
+                    dcc.Tab(
+                        label='Tab One', value='tab-1-example', id='tab-1'
+                    ),
+                    dcc.Tab(
+                        label='Tab Two', value='tab-2-example', id='tab-2'
+                    ),
+                ],
+            ),
+            html.Div(id='tabs-content-example'),
+        ]
+    )
+
+    @app.callback(
+        Output('tabs-content-example', 'children'),
+        [Input('tabs-example', 'value')],
+    )
+    def render_content(tab):
+        if tab == 'tab-1-example':
+            return html.Div(
+                [
+                    html.H3('Tab content 1'),
+                    dcc.Graph(
+                        id='graph-1-tabs',
+                        figure={
+                            'data': [
+                                {'x': [1, 2, 3], 'y': [3, 1, 2], 'type': 'bar'}
+                            ]
+                        },
+                    ),
+                ]
+            )
+        elif tab == 'tab-2-example':
+            return html.Div(
+                [
+                    html.H3('Tab content 2'),
+                    dcc.Graph(
+                        id='graph-2-tabs',
+                        figure={
+                            'data': [
+                                {
+                                    'x': [1, 2, 3],
+                                    'y': [5, 10, 6],
+                                    'type': 'bar',
+                                }
+                            ]
+                        },
+                    ),
+                ]
+            )
+
+    dash_dcc.start_server(app)
+
+    tab_one = dash_dcc.wait_for_element('#tab-1')
+    tab_two = dash_dcc.wait_for_element('#tab-2')
+
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.element_to_be_clickable((By.ID, "tab-2"))
+    )
+
+    # wait for Graph to be ready
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.visibility_of_element_located(
+            (By.CSS_SELECTOR, "#graph-1-tabs .main-svg")
+        )
+    )
+
+    dash_dcc.percy_snapshot(
+        "Tabs with Graph - initial (graph should not resize) ({})".format(
+            "eager" if is_eager else "lazy"
+        )
+    )
+    tab_two.click()
+
+    # wait for Graph to be ready
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.visibility_of_element_located(
+            (By.CSS_SELECTOR, "#graph-2-tabs .main-svg")
+        )
+    )
+
+    dash_dcc.percy_snapshot(
+        "Tabs with Graph - clicked tab 2 (graph should not resize) ({})".format(
+            "eager" if is_eager else "lazy"
+        )
+    )
+
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.element_to_be_clickable((By.ID, "tab-1"))
+    )
+
+    tab_one.click()
+
+    # wait for Graph to be loaded after clicking
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.visibility_of_element_located(
+            (By.CSS_SELECTOR, "#graph-1-tabs .main-svg")
+        )
+    )
+
+    dash_dcc.percy_snapshot(
+        "Tabs with Graph - clicked tab 1 (graph should not resize) ({})".format(
+            "eager" if is_eager else "lazy"
+        )
+    )
+
+
+@pytest.mark.parametrize("is_eager", [True, False])
+def test_tabs_render_without_selected(dash_dcc, is_eager):
+    app = dash.Dash(__name__, eager_loading=is_eager)
+
+    data = [{'id': 'one', 'value': 1}, {'id': 'two', 'value': 2}]
+
+    menu = html.Div([html.Div('one', id='one'), html.Div('two', id='two')])
+
+    tabs_one = html.Div(
+        [dcc.Tabs([dcc.Tab(dcc.Graph(id='graph-one'), label='tab-one-one')])],
+        id='tabs-one',
+        style={'display': 'none'},
+    )
+
+    tabs_two = html.Div(
+        [dcc.Tabs([dcc.Tab(dcc.Graph(id='graph-two'), label='tab-two-one')])],
+        id='tabs-two',
+        style={'display': 'none'},
+    )
+
+    app.layout = html.Div([menu, tabs_one, tabs_two])
+
+    for i in ('one', 'two'):
+
+        @app.callback(
+            Output('tabs-{}'.format(i), 'style'), [Input(i, 'n_clicks')]
+        )
+        def on_click(n_clicks):
+            if n_clicks is None:
+                raise PreventUpdate
+
+            if n_clicks % 2 == 1:
+                return {'display': 'block'}
+            return {'display': 'none'}
+
+        @app.callback(
+            Output('graph-{}'.format(i), 'figure'), [Input(i, 'n_clicks')]
+        )
+        def on_click(n_clicks):
+            if n_clicks is None:
+                raise PreventUpdate
+
+            return {
+                'data': [{'x': [1, 2, 3, 4], 'y': [4, 3, 2, 1]}],
+                'layout': {'width': 700, 'height': 450},
+            }
+
+    dash_dcc.start_server(app)
+
+    button_one = dash_dcc.wait_for_element('#one')
+    button_two = dash_dcc.wait_for_element('#two')
+
+    button_one.click()
+
+    # wait for tabs to be loaded after clicking
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.visibility_of_element_located(
+            (By.CSS_SELECTOR, "#graph-one .main-svg")
+        )
+    )
+
+    time.sleep(1)
+    dash_dcc.percy_snapshot(
+        "Tabs 1 rendered ({})".format("eager" if is_eager else "lazy")
+    )
+
+    button_two.click()
+
+    # wait for tabs to be loaded after clicking
+    WebDriverWait(dash_dcc.driver, 10).until(
+        EC.visibility_of_element_located(
+            (By.CSS_SELECTOR, "#graph-two .main-svg")
+        )
+    )
+
+    time.sleep(1)
+    dash_dcc.percy_snapshot(
+        "Tabs 2 rendered ({})".format("eager" if is_eager else "lazy")
+    )
+
+    # do some extra tests while we're here
+    # and have access to Graph and plotly.js
+    check_graph_config_shape(dash_dcc)
+
+
+def check_graph_config_shape(dash_dcc):
+    config_schema = dash_dcc.driver.execute_script(
+        'return Plotly.PlotSchema.get().config;'
+    )
+    with open(os.path.join(dcc.__path__[0], 'metadata.json')) as meta:
+        graph_meta = json.load(meta)['src/components/Graph.react.js']
+        config_prop_shape = graph_meta['props']['config']['type']['value']
+
+    ignored_config = [
+        'setBackground',
+        'showSources',
+        'logging',
+        'globalTransforms',
+        'role',
+    ]
+
+    def crawl(schema, props):
+        for prop_name in props:
+            assert prop_name in schema
+
+        for item_name, item in schema.items():
+            if item_name in ignored_config:
+                continue
+
+            assert item_name in props
+            if 'valType' not in item:
+                crawl(item, props[item_name]['value'])
+
+    crawl(config_schema, config_prop_shape)
diff --git a/tests/test_integration_1.py b/tests/test_integration_1.py
index cf5b79b6e..064d6a4cd 100644
--- a/tests/test_integration_1.py
+++ b/tests/test_integration_1.py
@@ -2,6 +2,7 @@
 import os
 import sys
 from multiprocessing import Lock
+import pytest
 import time
 import json
 import re
@@ -638,141 +639,6 @@ def test_tabs_with_children_undefined(self):
 
         self.snapshot('Tabs component with children undefined')
 
-    def test_tabs_render_without_selected(self):
-        app = dash.Dash(__name__)
-
-        data = [
-            {'id': 'one', 'value': 1},
-            {'id': 'two', 'value': 2},
-        ]
-
-        menu = html.Div([
-            html.Div('one', id='one'),
-            html.Div('two', id='two')
-        ])
-
-        tabs_one = html.Div([
-            dcc.Tabs([
-                dcc.Tab(dcc.Graph(id='graph-one'), label='tab-one-one'),
-            ])
-        ], id='tabs-one', style={'display': 'none'})
-
-        tabs_two = html.Div([
-            dcc.Tabs([
-                dcc.Tab(dcc.Graph(id='graph-two'), label='tab-two-one'),
-            ])
-        ], id='tabs-two', style={'display': 'none'})
-
-        app.layout = html.Div([
-            menu,
-            tabs_one,
-            tabs_two
-        ])
-
-        for i in ('one', 'two'):
-
-            @app.callback(Output('tabs-{}'.format(i), 'style'),
-                          [Input(i, 'n_clicks')])
-            def on_click(n_clicks):
-                if n_clicks is None:
-                    raise PreventUpdate
-
-                if n_clicks % 2 == 1:
-                    return {'display': 'block'}
-                return {'display': 'none'}
-
-            @app.callback(Output('graph-{}'.format(i), 'figure'),
-                          [Input(i, 'n_clicks')])
-            def on_click(n_clicks):
-                if n_clicks is None:
-                    raise PreventUpdate
-
-                return {
-                    'data': [
-                        {
-                            'x': [1, 2, 3, 4],
-                            'y': [4, 3, 2, 1]
-                        }
-                    ],
-                    'layout': {
-                        'width': 700,
-                        'height': 450
-                    }
-                }
-
-        self.startServer(app=app)
-
-        button_one = self.wait_for_element_by_css_selector('#one')
-        button_two = self.wait_for_element_by_css_selector('#two')
-
-        button_one.click()
-
-        # wait for tabs to be loaded after clicking
-        WebDriverWait(self.driver, 10).until(
-            EC.visibility_of_element_located((By.CSS_SELECTOR, "#graph-one .main-svg"))
-        )
-
-        time.sleep(1)
-        self.snapshot("Tabs 1 rendered ")
-
-        button_two.click()
-
-        # wait for tabs to be loaded after clicking
-        WebDriverWait(self.driver, 10).until(
-            EC.visibility_of_element_located((By.CSS_SELECTOR, "#graph-two .main-svg"))
-        )
-
-        time.sleep(1)
-        self.snapshot("Tabs 2 rendered ")
-
-        # do some extra tests while we're here
-        # and have access to Graph and plotly.js
-        self.check_graph_config_shape()
-        self.check_plotlyjs()
-
-    def check_plotlyjs(self):
-        # find plotly.js files in the dist folder, check that there's only one
-        all_dist = os.listdir(dcc.__path__[0])
-        js_re = r'^plotly-(.*)\.min\.js$'
-        plotlyjs_dist = [fn for fn in all_dist if re.match(js_re, fn)]
-
-        self.assertEqual(len(plotlyjs_dist), 1)
-
-        # check that the version matches what we see in the page
-        page_version = self.driver.execute_script('return Plotly.version;')
-        dist_version = re.match(js_re, plotlyjs_dist[0]).groups()[0]
-        self.assertEqual(page_version, dist_version)
-
-    def check_graph_config_shape(self):
-        config_schema = self.driver.execute_script(
-            'return Plotly.PlotSchema.get().config;'
-        )
-        with open(os.path.join(dcc.__path__[0], 'metadata.json')) as meta:
-            graph_meta = json.load(meta)['src/components/Graph.react.js']
-            config_prop_shape = graph_meta['props']['config']['type']['value']
-
-        ignored_config = [
-            'setBackground',
-            'showSources',
-            'logging',
-            'globalTransforms',
-            'role'
-        ]
-
-        def crawl(schema, props):
-            for prop_name in props:
-                self.assertIn(prop_name, schema)
-
-            for item_name, item in schema.items():
-                if item_name in ignored_config:
-                    continue
-
-                self.assertIn(item_name, props)
-                if 'valType' not in item:
-                    crawl(item, props[item_name]['value'])
-
-        crawl(config_schema, config_prop_shape)
-
     def test_tabs_without_value(self):
         app = dash.Dash(__name__)
 
@@ -799,80 +665,6 @@ def render_content(tab):
 
         self.snapshot('Tab 1 should be selected by default')
 
-    def test_graph_does_not_resize_in_tabs(self):
-        app = dash.Dash(__name__)
-        app.layout = html.Div([
-            html.H1('Dash Tabs component demo'),
-            dcc.Tabs(id="tabs-example", value='tab-1-example', children=[
-                dcc.Tab(label='Tab One', value='tab-1-example', id='tab-1'),
-                dcc.Tab(label='Tab Two', value='tab-2-example', id='tab-2'),
-            ]),
-            html.Div(id='tabs-content-example')
-        ])
-
-        @app.callback(Output('tabs-content-example', 'children'),
-                      [Input('tabs-example', 'value')])
-        def render_content(tab):
-            if tab == 'tab-1-example':
-                return html.Div([
-                    html.H3('Tab content 1'),
-                    dcc.Graph(
-                        id='graph-1-tabs',
-                        figure={
-                            'data': [{
-                                'x': [1, 2, 3],
-                                'y': [3, 1, 2],
-                                'type': 'bar'
-                            }]
-                        }
-                    )
-                ])
-            elif tab == 'tab-2-example':
-                return html.Div([
-                    html.H3('Tab content 2'),
-                    dcc.Graph(
-                        id='graph-2-tabs',
-                        figure={
-                            'data': [{
-                                'x': [1, 2, 3],
-                                'y': [5, 10, 6],
-                                'type': 'bar'
-                            }]
-                        }
-                    )
-                ])
-        self.startServer(app=app)
-
-        tab_one = self.wait_for_element_by_css_selector('#tab-1')
-        tab_two = self.wait_for_element_by_css_selector('#tab-2')
-
-        WebDriverWait(self.driver, 10).until(
-            EC.element_to_be_clickable((By.ID, "tab-2"))
-        )
-
-        self.snapshot("Tabs with Graph - initial (graph should not resize)")
-        tab_two.click()
-
-        # wait for Graph's internal svg to be loaded after clicking
-        WebDriverWait(self.driver, 10).until(
-            EC.visibility_of_element_located((By.CSS_SELECTOR, "#graph-2-tabs .main-svg"))
-        )
-
-        self.snapshot("Tabs with Graph - clicked tab 2 (graph should not resize)")
-
-        WebDriverWait(self.driver, 10).until(
-            EC.element_to_be_clickable((By.ID, "tab-1"))
-        )
-
-        tab_one.click()
-
-        # wait for Graph to be loaded after clicking
-        WebDriverWait(self.driver, 10).until(
-            EC.visibility_of_element_located((By.CSS_SELECTOR, "#graph-1-tabs .main-svg"))
-        )
-
-        self.snapshot("Tabs with Graph - clicked tab 1 (graph should not resize)")
-
     def test_location_link(self):
         app = dash.Dash(__name__)
 
diff --git a/tests/test_integration_2.py b/tests/test_integration_2.py
index 40f7ed657..b9a036bf2 100644
--- a/tests/test_integration_2.py
+++ b/tests/test_integration_2.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import os
 import sys
+import pytest
 import time
 import json
 import flask
@@ -98,138 +99,6 @@ def display_page(pathname):
         # test if callback is only fired once (offset of 2)
         self.assertEqual(call_count.value, 3)
 
-    def test_candlestick(self):
-        app = dash.Dash(__name__)
-        app.layout = html.Div(
-            [
-                html.Button(
-                    id="button", children="Update Candlestick", n_clicks=0
-                ),
-                dcc.Graph(id="graph"),
-            ]
-        )
-
-        @app.callback(Output("graph", "figure"), [Input("button", "n_clicks")])
-        def update_graph(n_clicks):
-            return {
-                "data": [
-                    {
-                        "open": [1] * 5,
-                        "high": [3] * 5,
-                        "low": [0] * 5,
-                        "close": [2] * 5,
-                        "x": [n_clicks] * 5,
-                        "type": "candlestick",
-                    }
-                ]
-            }
-
-        self.startServer(app=app)
-
-        button = self.wait_for_element_by_css_selector("#button")
-        self.snapshot("candlestick - initial")
-        button.click()
-        time.sleep(1)
-        self.snapshot("candlestick - 1 click")
-
-        button.click()
-        time.sleep(1)
-        self.snapshot("candlestick - 2 click")
-
-    def test_graphs_with_different_figures(self):
-        app = dash.Dash(__name__)
-        app.layout = html.Div(
-            [
-                dcc.Graph(
-                    id="example-graph",
-                    figure={
-                        "data": [
-                            {
-                                "x": [1, 2, 3],
-                                "y": [4, 1, 2],
-                                "type": "bar",
-                                "name": "SF",
-                            },
-                            {
-                                "x": [1, 2, 3],
-                                "y": [2, 4, 5],
-                                "type": "bar",
-                                "name": u"Montréal",
-                            },
-                        ],
-                        "layout": {"title": "Dash Data Visualization"},
-                    },
-                ),
-                dcc.Graph(
-                    id="example-graph-2",
-                    figure={
-                        "data": [
-                            {
-                                "x": [20, 24, 33],
-                                "y": [5, 2, 3],
-                                "type": "bar",
-                                "name": "SF",
-                            },
-                            {
-                                "x": [11, 22, 33],
-                                "y": [22, 44, 55],
-                                "type": "bar",
-                                "name": u"Montréal",
-                            },
-                        ],
-                        "layout": {"title": "Dash Data Visualization"},
-                    },
-                ),
-                html.Div(id="restyle-data"),
-                html.Div(id="relayout-data"),
-            ]
-        )
-
-        @app.callback(
-            Output("restyle-data", "children"),
-            [Input("example-graph", "restyleData")],
-        )
-        def show_restyle_data(data):
-            if data is None:  # ignore initial
-                return ""
-            return json.dumps(data)
-
-        @app.callback(
-            Output("relayout-data", "children"),
-            [Input("example-graph", "relayoutData")],
-        )
-        def show_relayout_data(data):
-            if (
-                data is None or "autosize" in data
-            ):  # ignore initial & auto width
-                return ""
-            return json.dumps(data)
-
-        self.startServer(app=app)
-
-        # use this opportunity to test restyleData, since there are multiple
-        # traces on this graph
-        legendToggle = self.driver.find_element_by_css_selector(
-            "#example-graph .traces:first-child .legendtoggle"
-        )
-        legendToggle.click()
-        self.wait_for_text_to_equal(
-            "#restyle-data", '[{"visible": ["legendonly"]}, [0]]'
-        )
-
-        # move snapshot after click, so it's more stable with the wait
-        self.snapshot("2 graphs with different figures")
-
-        # and test relayoutData while we're at it
-        autoscale = self.driver.find_element_by_css_selector(
-            "#example-graph .ewdrag"
-        )
-        autoscale.click()
-        autoscale.click()
-        self.wait_for_text_to_equal(
-            "#relayout-data", '{"xaxis.autorange": true}'
-        )
-
     def test_interval(self):
         app = dash.Dash(__name__)
         app.layout = html.Div(
@@ -452,225 +321,6 @@ def on_click(n_clicks):
 
         self.driver.switch_to.alert.accept()
 
-    def test_empty_graph(self):
-        app = dash.Dash(__name__)
-
-        app.layout = html.Div(
-            [
-                html.Button(id="click", children="Click me"),
-                dcc.Graph(
-                    id="graph",
-                    figure={
-                        "data": [
-                            dict(x=[1, 2, 3], y=[1, 2, 3], type="scatter")
-                        ]
-                    },
-                ),
-            ]
-        )
-
-        @app.callback(
-            dash.dependencies.Output("graph", "figure"),
-            [dash.dependencies.Input("click", "n_clicks")],
-            [dash.dependencies.State("graph", "figure")],
-        )
-        def render_content(click, prev_graph):
-            if click:
-                return {}
-            return prev_graph
-
-        self.startServer(app)
-        button = self.wait_for_element_by_css_selector("#click")
-        button.click()
-        time.sleep(2)  # Wait for graph to re-render
-        self.snapshot("render-empty-graph")
-
-    def test_graph_extend_trace(self):
-        app = dash.Dash(__name__)
-
-        def generate_with_id(id, data=None):
-            if data is None:
-                data = [{"x": [0, 1, 2, 3, 4], "y": [0, 0.5, 1, 0.5, 0]}]
-
-            return html.Div(
-                [
-                    html.P(id),
-                    dcc.Graph(id=id, figure=dict(data=data)),
-                    html.Div(id="output_{}".format(id)),
-                ]
-            )
-
-        figs = [
-            "trace_will_extend",
-            "trace_will_extend_with_no_indices",
-            "trace_will_extend_with_max_points",
-        ]
-
-        layout = [generate_with_id(id) for id in figs]
-
-        figs.append("trace_will_allow_repeated_extend")
-        data = [{"y": [0, 0, 0]}]
-        layout.append(generate_with_id(figs[-1], data))
-
-        figs.append("trace_will_extend_selectively")
-        data = [
-            {"x": [0, 1, 2, 3, 4], "y": [0, 0.5, 1, 0.5, 0]},
-            {"x": [0, 1, 2, 3, 4], "y": [1, 1, 1, 1, 1]},
-        ]
-        layout.append(generate_with_id(figs[-1], data))
-
-        layout.append(
-            dcc.Interval(
-                id="interval_extendablegraph_update",
-                interval=10,
-                n_intervals=0,
-                max_intervals=1,
-            )
-        )
-
-        layout.append(
-            dcc.Interval(
-                id="interval_extendablegraph_extendtwice",
-                interval=500,
-                n_intervals=0,
-                max_intervals=2,
-            )
-        )
-
-        app.layout = html.Div(layout)
-
-        @app.callback(
-            Output("trace_will_allow_repeated_extend", "extendData"),
-            [Input("interval_extendablegraph_extendtwice", "n_intervals")],
-        )
-        def trace_will_allow_repeated_extend(n_intervals):
-            if n_intervals is None or n_intervals < 1:
-                raise PreventUpdate
-
-            return dict(y=[[0.1, 0.2, 0.3, 0.4, 0.5]])
-
-        @app.callback(
-            Output("trace_will_extend", "extendData"),
-            [Input("interval_extendablegraph_update", "n_intervals")],
-        )
-        def trace_will_extend(n_intervals):
-            if n_intervals is None or n_intervals < 1:
-                raise PreventUpdate
-
-            x_new = [5, 6, 7, 8, 9]
-            y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
-            return dict(x=[x_new], y=[y_new]), [0]
-
-        @app.callback(
-            Output("trace_will_extend_selectively", "extendData"),
-            [Input("interval_extendablegraph_update", "n_intervals")],
-        )
-        def trace_will_extend_selectively(n_intervals):
-            if n_intervals is None or n_intervals < 1:
-                raise PreventUpdate
-
-            x_new = [5, 6, 7, 8, 9]
-            y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
-            return dict(x=[x_new], y=[y_new]), [1]
-
-        @app.callback(
-            Output("trace_will_extend_with_no_indices", "extendData"),
-            [Input("interval_extendablegraph_update", "n_intervals")],
-        )
-        def trace_will_extend_with_no_indices(n_intervals):
-            if n_intervals is None or n_intervals < 1:
-                raise PreventUpdate
-
-            x_new = [5, 6, 7, 8, 9]
-            y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
-            return dict(x=[x_new], y=[y_new])
-
-        @app.callback(
-            Output("trace_will_extend_with_max_points", "extendData"),
-            [Input("interval_extendablegraph_update", "n_intervals")],
-        )
-        def trace_will_extend_with_max_points(n_intervals):
-            if n_intervals is None or n_intervals < 1:
-                raise PreventUpdate
-
-            x_new = [5, 6, 7, 8, 9]
-            y_new = [0.1, 0.2, 0.3, 0.4, 0.5]
-            return dict(x=[x_new], y=[y_new]), [0], 7
-
-        for id in figs:
-
-            @app.callback(
-                Output("output_{}".format(id), "children"),
-                [Input(id, "extendData")],
-                [State(id, "figure")],
-            )
-            def display_data(trigger, fig):
-                return json.dumps(fig["data"])
-
-        self.startServer(app)
-
-        comparison = json.dumps(
-            [
-                dict(
-                    x=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-                    y=[0, 0.5, 1, 0.5, 0, 0.1, 0.2, 0.3, 0.4, 0.5],
-                )
-            ]
-        )
-        self.wait_for_text_to_equal("#output_trace_will_extend", comparison)
-        self.wait_for_text_to_equal(
-            "#output_trace_will_extend_with_no_indices", comparison
-        )
-        comparison = json.dumps(
-            [
-                dict(x=[0, 1, 2, 3, 4], y=[0, 0.5, 1, 0.5, 0]),
-                dict(
-                    x=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-                    y=[1, 1, 1, 1, 1, 0.1, 0.2, 0.3, 0.4, 0.5],
-                ),
-            ]
-        )
-        self.wait_for_text_to_equal(
-            "#output_trace_will_extend_selectively", comparison
-        )
-
-        comparison = json.dumps(
-            [
-                dict(
-                    x=[3, 4, 5, 6, 7, 8, 9],
-                    y=[0.5, 0, 0.1, 0.2, 0.3, 0.4, 0.5],
-                )
-            ]
-        )
-        self.wait_for_text_to_equal(
-            "#output_trace_will_extend_with_max_points", comparison
-        )
-
-        comparison = json.dumps(
-            [
-                dict(
-                    y=[
-                        0,
-                        0,
-                        0,
-                        0.1,
-                        0.2,
-                        0.3,
-                        0.4,
-                        0.5,
-                        0.1,
-                        0.2,
-                        0.3,
-                        0.4,
-                        0.5,
-                    ]
-                )
-            ]
-        )
-        self.wait_for_text_to_equal(
-            "#output_trace_will_allow_repeated_extend", comparison
-        )
-
     def test_user_supplied_css(self):
         app = dash.Dash(__name__)
 
@@ -804,104 +454,3 @@ def test_disabled_tab(self):
                 (By.CSS_SELECTOR, ".tab--disabled")
             )
         )
-
-    def test_unmounted_graph_resize(self):
-        app = dash.Dash(__name__)
-
-        app.layout = html.Div(
-            children=[
-                dcc.Tabs(
-                    id="tabs",
-                    children=[
-                        dcc.Tab(
-                            label="Tab one",
-                            children=[
-                                html.Div(
-                                    [
-                                        dcc.Graph(
-                                            id="eg-graph-1",
-                                            figure={
-                                                "data": [
-                                                    {
-                                                        "x": [1, 2, 3],
-                                                        "y": [4, 1, 2],
-                                                        "type": "scattergl",
-                                                        "name": "SF",
-                                                    },
-                                                    {
-                                                        "x": [1, 2, 3],
-                                                        "y": [2, 4, 5],
-                                                        "type": "scattergl",
-                                                        "name": u"Montréal",
-                                                    },
-                                                ]
-                                            },
-                                        )
-                                    ],
-                                    id="graph-tab-1",
-                                )
-                            ],
-                        ),
-                        dcc.Tab(
-                            label="Tab two",
-                            children=[
-                                dcc.Graph(
-                                    id="eg-graph-2",
-                                    figure={
-                                        "data": [
-                                            {
-                                                "x": [1, 2, 3],
-                                                "y": [1, 4, 1],
-                                                "type": "scattergl",
-                                                "name": "SF",
-                                            },
-                                            {
-                                                "x": [1, 2, 3],
-                                                "y": [1, 2, 3],
-                                                "type": "scattergl",
-                                                "name": u"Montréal",
-                                            },
-                                        ]
-                                    },
-                                )
-                            ],
-                            id="graph-tab-2",
-                        ),
-                    ],
-                )
-            ]
-        )
-
-        self.startServer(app)
-
-        try:
-            self.wait_for_element_by_css_selector("#eg-graph-1")
-        except Exception as e:
-            print(
-                self.wait_for_element_by_css_selector(
-                    "#_dash-app-content"
-                ).get_attribute("innerHTML")
-            )
-            raise e
-
-        WebDriverWait(self.driver, 10).until(
-            EC.element_to_be_clickable((By.ID, "graph-tab-2"))
-        )
-
-        tab_two = self.wait_for_element_by_css_selector("#graph-tab-2")
-
-        tab_two.click()
-
-        # save the current window size
-        window_size = self.driver.get_window_size()
-
-        # resize
-        self.driver.set_window_size(800, 600)
-
-        for entry in self.get_log():
-            raise Exception("browser error logged during test", entry)
-
-        # set back to original size
-        self.driver.set_window_size(
-            window_size["width"], window_size["height"]
-        )
diff --git a/tests/unit/Tabs.test.js b/tests/unit/Tabs.test.js
index 52d7b94f5..09941435c 100644
--- a/tests/unit/Tabs.test.js
+++ b/tests/unit/Tabs.test.js
@@ -102,16 +102,24 @@ describe('Tabs correctly appends classes', () => {
     // removed here by using the styled-jsx/babel-test plugin in .babelrc
     test('props.className =>', () => {
         expect(tabs.find('#tabs').prop('class')).toEqual(
-            'tab-container ' + testClass
+            expect.stringMatching(
+                new RegExp(`jsx-\\d+\\stab-container\\s${testClass}`)
+            )
         );
     });
     test('props.content_className =>', () => {
         expect(tabs.find('.tab-content').prop('class')).toEqual(
-            'tab-content ' + testContentClass
+            expect.stringMatching(
+                new RegExp(`jsx-\\d+\\stab-content\\s${testContentClass}`)
+            )
         );
     });
     test('props.parent_className=>', () => {
-        expect(tabs.prop('class')).toEqual('tab-parent ' + testParentClass);
+        expect(tabs.prop('class')).toEqual(
+            expect.stringMatching(
+                new RegExp(`jsx-\\d+\\stab-parent\\s${testParentClass}`)
+            )
+        );
     });
 });
 describe('Tabs render content correctly', () => {
diff --git a/webpack.config.js b/webpack.config.js
index ef56075ca..1d9b30db4 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,4 +1,6 @@
 const path = require('path');
+const WebpackDashDynamicImport = require('@plotly/webpack-dash-dynamic-import');
+
 const packagejson = require('./package.json');
 
 const dashLibraryName = packagejson.name.replace(/-/g, '_');
@@ -25,19 +27,18 @@ module.exports = (env, argv) => {
     }
 
     let filename = (overrides.output || {}).filename;
-    if(!filename) {
+    if (!filename) {
         const modeSuffix = mode === 'development' ? 'dev' : 'min';
         filename = `${dashLibraryName}.${modeSuffix}.js`;
     }
 
-    const entry = overrides.entry || {main: './src/index.js'};
+    const entry = overrides.entry || { main: './src/index.js' };
 
     const devtool = overrides.devtool || 'source-map';
 
     const externals = ('externals' in overrides) ? overrides.externals : ({
         react: 'React',
         'react-dom': 'ReactDOM',
-        'plotly.js': 'Plotly',
         'prop-types': 'PropTypes'
     });
 
@@ -46,6 +47,7 @@ module.exports = (env, argv) => {
         entry,
         output: {
             path: path.resolve(__dirname, dashLibraryName),
+            chunkFilename: '[name].js',
             filename,
             library: dashLibraryName,
             libraryTarget: 'window',
@@ -76,6 +78,28 @@ module.exports = (env, argv) => {
                     ],
                 },
             ],
-        }
+        },
+        resolve: {
+            alias: {
+                'plotly.js': 'plotly.js/dist/plotly.min.js'
+            }
+        },
+        optimization: {
+            splitChunks: {
+                name: true,
+                cacheGroups: {
+                    async: {
+                        chunks: 'async',
+                        minSize: 0,
+                        name(module, chunks, cacheGroupKey) {
+                            return `${cacheGroupKey}~${chunks[0].name}`;
+                        }
+                    }
+                }
+            }
+        },
+        plugins: [
+            new WebpackDashDynamicImport()
+        ]
     }
 };
\ No newline at end of file