diff --git a/src/deploy/extensions/args.ts b/src/deploy/extensions/args.ts
index 2ff5221e1cf..d7398c4bf56 100644
--- a/src/deploy/extensions/args.ts
+++ b/src/deploy/extensions/args.ts
@@ -10,4 +10,5 @@ export interface Payload {
 export interface Context {
   have?: planner.DeploymentInstanceSpec[];
   want?: planner.DeploymentInstanceSpec[];
+  extensionsStartTime?: number;
 }
diff --git a/src/deploy/extensions/deploy.ts b/src/deploy/extensions/deploy.ts
index 47e1edcbf53..e49d7462f17 100644
--- a/src/deploy/extensions/deploy.ts
+++ b/src/deploy/extensions/deploy.ts
@@ -59,7 +59,6 @@ export async function deploy(context: Context, options: Options, payload: Payloa
 
   validationQueue.process();
   validationQueue.close();
-
   await validationPromise;
 
   if (errorHandler.hasErrors()) {
diff --git a/src/deploy/extensions/prepare.ts b/src/deploy/extensions/prepare.ts
index 403af32073d..47a3b3820ad 100644
--- a/src/deploy/extensions/prepare.ts
+++ b/src/deploy/extensions/prepare.ts
@@ -17,6 +17,7 @@ import { checkSpecForV2Functions, ensureNecessaryV2ApisAndRoles } from "./v2Func
 import { acceptLatestAppDeveloperTOS } from "../../extensions/tos";
 
 export async function prepare(context: Context, options: Options, payload: Payload) {
+  context.extensionsStartTime = Date.now();
   const projectId = needProjectId(options);
   const projectNumber = await needProjectNumber(options);
   const aliases = getAliases(options, projectId);
diff --git a/src/deploy/extensions/release.ts b/src/deploy/extensions/release.ts
index a8501a02242..67a5063b0f2 100644
--- a/src/deploy/extensions/release.ts
+++ b/src/deploy/extensions/release.ts
@@ -7,6 +7,7 @@ import { ErrorHandler } from "./errors";
 import { Options } from "../../options";
 import { needProjectId } from "../../projectUtils";
 import { saveEtags } from "../../extensions/etags";
+import { trackGA4 } from "../../track";
 
 export async function release(context: Context, options: Options, payload: Payload) {
   const projectId = needProjectId(options);
@@ -45,6 +46,20 @@ export async function release(context: Context, options: Options, payload: Paylo
   deploymentQueue.close();
 
   await deploymentPromise;
+  // extensionsStartTime should always be populated, but if not, fall back to something that won't break us.
+  const duration = context.extensionsStartTime ? Date.now() - context.extensionsStartTime : 1;
+  await trackGA4(
+    "extensions_deploy",
+    {
+      extension_instance_created: payload.instancesToCreate?.length ?? 0,
+      extension_instance_updated: payload.instancesToUpdate?.length ?? 0,
+      extension_instance_configured: payload.instancesToConfigure?.length ?? 0,
+      extension_instance_deleted: payload.instancesToDelete?.length ?? 0,
+      errors: errorHandler.errors.length ?? 0,
+      interactive: options.nonInteractive ? "false" : "true",
+    },
+    duration
+  );
 
   // After deployment, write the latest etags to RC so we can detect out of band changes in the next deploy.
   const newHave = await planner.have(projectId);
diff --git a/src/deploy/hosting/deploy.ts b/src/deploy/hosting/deploy.ts
index 2f9fc4e528a..279b250cef7 100644
--- a/src/deploy/hosting/deploy.ts
+++ b/src/deploy/hosting/deploy.ts
@@ -2,7 +2,6 @@ import { Uploader } from "./uploader";
 import { detectProjectRoot } from "../../detectProjectRoot";
 import { listFiles } from "../../listFiles";
 import { logger } from "../../logger";
-import { track } from "../../track";
 import { envOverride, logLabeledBullet, logLabeledSuccess } from "../../utils";
 import { bold, cyan } from "colorette";
 import * as ora from "ora";
@@ -88,9 +87,6 @@ export async function deploy(context: Context, options: Options): Promise<void>
 
     try {
       await uploader.start();
-    } catch (err: any) {
-      void track("Hosting Deploy", "failure");
-      throw err;
     } finally {
       clearInterval(progressInterval);
       updateSpinner(uploader.statusMessage(), debugging);
@@ -103,8 +99,6 @@ export async function deploy(context: Context, options: Options): Promise<void>
     logLabeledSuccess(`hosting[${deploy.config.site}]`, "file upload complete");
     const dt = Date.now() - t0;
     logger.debug(`[hosting] deploy completed after ${dt}ms`);
-
-    void track("Hosting Deploy", "success", dt);
     return runDeploys(deploys, debugging);
   }
 
diff --git a/src/emulator/controller.ts b/src/emulator/controller.ts
index 7505bf9ea81..1950cb0b346 100644
--- a/src/emulator/controller.ts
+++ b/src/emulator/controller.ts
@@ -4,7 +4,7 @@ import * as path from "path";
 import * as fsConfig from "../firestore/fsConfig";
 
 import { logger } from "../logger";
-import { trackEmulator } from "../track";
+import { trackEmulator, trackGA4 } from "../track";
 import * as utils from "../utils";
 import { EmulatorRegistry } from "./registry";
 import {
@@ -351,6 +351,10 @@ export async function startAll(
       extensionsBackends
     );
     emulatableBackends.push(...filteredExtensionsBackends);
+    trackGA4("extensions_emulated", {
+      number_of_extensions_emulated: filteredExtensionsBackends.length,
+      number_of_extensions_ignored: extensionsBackends.length - filteredExtensionsBackends.length,
+    });
   }
 
   const listenConfig = {} as Record<PortName, EmulatorListenConfig>;
diff --git a/src/track.ts b/src/track.ts
index c1aa68eaf33..69a0c92f4bd 100644
--- a/src/track.ts
+++ b/src/track.ts
@@ -14,7 +14,9 @@ type cliEventNames =
   | "login"
   | "api_enabled"
   | "hosting_version"
-  | "extension_added_to_manifest";
+  | "extension_added_to_manifest"
+  | "extensions_deploy"
+  | "extensions_emulated";
 type GA4Property = "cli" | "emulator";
 interface GA4Info {
   measurementId: string;