diff --git a/extensions/gitpod-shared/src/analytics.ts b/extensions/gitpod-shared/src/analytics.ts
index 36c1ffa1350aa..3feb6b2d618a1 100644
--- a/extensions/gitpod-shared/src/analytics.ts
+++ b/extensions/gitpod-shared/src/analytics.ts
@@ -2,39 +2,65 @@
  *  Copyright (c) Gitpod. All rights reserved.
  *--------------------------------------------------------------------------------------------*/
 
+import path from 'path';
+import * as vscode from 'vscode';
+
+import { GitpodExtensionContext } from './features';
+
 export interface BaseGitpodAnalyticsEventPropeties {
-	sessionId: string
-	workspaceId: string
-	instanceId: string
-	appName: string
-	uiKind: 'web' | 'desktop'
-	devMode: boolean
-	version: string
-	timestamp: number
+	sessionId: string;
+	workspaceId: string;
+	instanceId: string;
+	appName: string;
+	uiKind: 'web' | 'desktop';
+	devMode: boolean;
+	version: string;
+	timestamp: number;
 }
 
-
 interface GAET<N extends string, P> {
-	eventName: N
-	properties: Omit<P, keyof BaseGitpodAnalyticsEventPropeties>
+	eventName: N;
+	properties: Omit<P, keyof BaseGitpodAnalyticsEventPropeties>;
 }
 
-
 export type GitpodAnalyticsEvent =
 	GAET<'vscode_session', {}> |
 	GAET<'vscode_execute_command_gitpod_open_link', {
-		url: string
+		url: string;
 	}> |
 	GAET<'vscode_execute_command_gitpod_change_vscode_type', {
-		targetUiKind: 'web' | 'desktop',
-		targetQualifier?: 'stable' | 'insiders'
+		targetUiKind: 'web' | 'desktop';
+		targetQualifier?: 'stable' | 'insiders';
 	}> |
 	GAET<'vscode_execute_command_gitpod_workspace', {
-		action: 'share' | 'stop-sharing' | 'stop' | 'snapshot' | 'extend-timeout'
+		action: 'share' | 'stop-sharing' | 'stop' | 'snapshot' | 'extend-timeout';
 	}> |
 	GAET<'vscode_execute_command_gitpod_ports', {
-		action: 'private' | 'public' | 'preview' | 'openBrowser'
+		action: 'private' | 'public' | 'preview' | 'openBrowser';
 	}> |
 	GAET<'vscode_execute_command_gitpod_config', {
-		action: 'remove' | 'add'
+		action: 'remove' | 'add';
+	}> |
+	GAET<'vscode_active_language', {
+		lang: string; ext?: string;
 	}>;
+
+export function registerUsageAnalytics(context: GitpodExtensionContext): void {
+	context.fireAnalyticsEvent({ eventName: 'vscode_session', properties: {} });
+}
+
+const activeLanguages = new Set<String>();
+export function registerActiveLanguageAnalytics(context: GitpodExtensionContext): void {
+	const track = () => {
+		const e = vscode.window.activeTextEditor;
+		if (!e || activeLanguages.has(e.document.languageId)) {
+			return;
+		}
+		const lang = e.document.languageId;
+		activeLanguages.add(lang);
+		const ext = path.extname(e.document.uri.path) || undefined;
+		context.fireAnalyticsEvent({ eventName: 'vscode_active_language', properties: { lang, ext } });
+	};
+	track();
+	context.subscriptions.push(vscode.window.onDidChangeActiveTextEditor(() => track()));
+}
diff --git a/extensions/gitpod-shared/src/extension.ts b/extensions/gitpod-shared/src/extension.ts
index d076439e95f83..27b3064d24cfd 100644
--- a/extensions/gitpod-shared/src/extension.ts
+++ b/extensions/gitpod-shared/src/extension.ts
@@ -3,6 +3,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as vscode from 'vscode';
+import { registerActiveLanguageAnalytics, registerUsageAnalytics } from './analytics';
 import { createGitpodExtensionContext, GitpodExtensionContext, registerDefaultLayout, registerNotifications, registerWorkspaceCommands, registerWorkspaceSharing, registerWorkspaceTimeout } from './features';
 
 export { GitpodExtensionContext, registerTasks, SupervisorConnection, registerIpcHookCli } from './features';
@@ -25,6 +26,7 @@ export async function setupGitpodContext(context: vscode.ExtensionContext): Prom
 	vscode.commands.executeCommand('setContext', 'gitpod.UIKind', vscode.env.uiKind === vscode.UIKind.Web ? 'web' : 'desktop');
 
 	registerUsageAnalytics(gitpodContext);
+	registerActiveLanguageAnalytics(gitpodContext);
 	registerWorkspaceCommands(gitpodContext);
 	registerWorkspaceSharing(gitpodContext);
 	registerWorkspaceTimeout(gitpodContext);
@@ -33,10 +35,6 @@ export async function setupGitpodContext(context: vscode.ExtensionContext): Prom
 	return gitpodContext;
 }
 
-function registerUsageAnalytics(context: GitpodExtensionContext): void {
-	context.fireAnalyticsEvent({ eventName: 'vscode_session', properties: {} });
-}
-
 function logContextInfo(context: GitpodExtensionContext) {
 	context.logger.info(`VSCODE_MACHINE_ID: ${vscode.env.machineId}`);
 	context.logger.info(`VSCODE_SESSION_ID: ${vscode.env.sessionId}`);