diff --git a/src/chromium/crApi.ts b/src/chromium/crApi.ts
index 6b4d34a759..7732e2325f 100644
--- a/src/chromium/crApi.ts
+++ b/src/chromium/crApi.ts
@@ -3,7 +3,7 @@
 
 export { CRBrowser as ChromiumBrowser } from './crBrowser';
 export { CRSession as ChromiumSession } from './crConnection';
-export { CRPage as ChromiumPage } from './crFrameManager';
+export { ChromiumPage } from './crPage';
 export { CRPlaywright as ChromiumPlaywright } from './crPlaywright';
 export { CRTarget as ChromiumTarget } from './crTarget';
 export { CRAccessibility as ChromiumAccessibility } from './features/crAccessibility';
diff --git a/src/chromium/crBrowser.ts b/src/chromium/crBrowser.ts
index b98ff65df1..5102b5ba51 100644
--- a/src/chromium/crBrowser.ts
+++ b/src/chromium/crBrowser.ts
@@ -23,7 +23,7 @@ import { CRConnection, ConnectionEvents, CRSession } from './crConnection';
 import { Page } from '../page';
 import { CRTarget } from './crTarget';
 import { Protocol } from './protocol';
-import { CRFrameManager } from './crFrameManager';
+import { CRPage } from './crPage';
 import * as browser from '../browser';
 import * as network from '../network';
 import { CROverrides } from './features/crOverrides';
@@ -82,7 +82,7 @@ export class CRBrowser extends browser.Browser {
         const target = this._targets.get(targetId);
         assert(await target._initializedPromise, 'Failed to create target for page');
         const page = await target.page();
-        const session = (page._delegate as CRFrameManager)._client;
+        const session = (page._delegate as CRPage)._client;
         const promises: Promise<any>[] = [ overrides._applyOverrides(page) ];
         if (options.bypassCSP)
           promises.push(session.send('Page.setBypassCSP', { enabled: true }));
@@ -93,7 +93,7 @@ export class CRBrowser extends browser.Browser {
         if (options.javaScriptEnabled === false)
           promises.push(session.send('Emulation.setScriptExecutionDisabled', { value: true }));
         if (options.userAgent)
-          (page._delegate as CRFrameManager)._networkManager.setUserAgent(options.userAgent);
+          (page._delegate as CRPage)._networkManager.setUserAgent(options.userAgent);
         if (options.mediaType || options.colorScheme) {
           const features = options.colorScheme ? [{ name: 'prefers-color-scheme', value: options.colorScheme }] : [];
           promises.push(session.send('Emulation.setEmulatedMedia', { media: options.mediaType || '', features }));
@@ -262,7 +262,7 @@ export class CRBrowser extends browser.Browser {
 
   async startTracing(page: Page | undefined, options: { path?: string; screenshots?: boolean; categories?: string[]; } = {}) {
     assert(!this._tracingRecording, 'Cannot start recording trace while already recording trace.');
-    this._tracingClient = page ? (page._delegate as CRFrameManager)._client : this._client;
+    this._tracingClient = page ? (page._delegate as CRPage)._client : this._client;
 
     const defaultCategories = [
       '-*', 'devtools.timeline', 'v8.execute', 'disabled-by-default-devtools.timeline',
diff --git a/src/chromium/crFrameManager.ts b/src/chromium/crPage.ts
similarity index 98%
rename from src/chromium/crFrameManager.ts
rename to src/chromium/crPage.ts
index 84a75820b0..233e2b8ad7 100644
--- a/src/chromium/crFrameManager.ts
+++ b/src/chromium/crPage.ts
@@ -42,9 +42,9 @@ import { ConsoleMessage } from '../console';
 
 const UTILITY_WORLD_NAME = '__playwright_utility_world__';
 
-export class CRFrameManager implements PageDelegate {
+export class CRPage implements PageDelegate {
   _client: CRSession;
-  private _page: CRPage;
+  private _page: ChromiumPage;
   readonly _networkManager: CRNetworkManager;
   private _contextIdToContext = new Map<number, dom.FrameExecutionContext>();
   private _isolatedWorlds = new Set<string>();
@@ -58,7 +58,7 @@ export class CRFrameManager implements PageDelegate {
     this._browser = browser;
     this.rawKeyboard = new RawKeyboardImpl(client);
     this.rawMouse = new RawMouseImpl(client);
-    this._page = new CRPage(client, this, browserContext);
+    this._page = new ChromiumPage(client, this, browserContext);
     this._networkManager = this._page._networkManager;
 
     this._eventListeners = [
@@ -449,7 +449,7 @@ export class CRFrameManager implements PageDelegate {
   }
 }
 
-export class CRPage extends Page {
+export class ChromiumPage extends Page {
   readonly accessibility: CRAccessibility;
   readonly coverage: CRCoverage;
   readonly interception: CRInterception;
@@ -457,7 +457,7 @@ export class CRPage extends Page {
   private _workers: CRWorkers;
   _networkManager: CRNetworkManager;
 
-  constructor(client: CRSession, delegate: CRFrameManager, browserContext: BrowserContext) {
+  constructor(client: CRSession, delegate: CRPage, browserContext: BrowserContext) {
     super(delegate, browserContext);
     this.accessibility = new CRAccessibility(client);
     this.coverage = new CRCoverage(client);
diff --git a/src/chromium/crTarget.ts b/src/chromium/crTarget.ts
index 4dd91a937d..1cfc9de2f3 100644
--- a/src/chromium/crTarget.ts
+++ b/src/chromium/crTarget.ts
@@ -23,7 +23,7 @@ import { CRWorker } from './features/crWorkers';
 import { Page } from '../page';
 import { Protocol } from './protocol';
 import { debugError } from '../helper';
-import { CRFrameManager } from './crFrameManager';
+import { CRPage } from './crPage';
 
 const targetSymbol = Symbol('target');
 
@@ -34,7 +34,7 @@ export class CRTarget {
   _targetId: string;
   private _sessionFactory: () => Promise<CRSession>;
   private _pagePromise: Promise<Page> | null = null;
-  private _frameManager: CRFrameManager | null = null;
+  private _crPage: CRPage | null = null;
   private _workerPromise: Promise<CRWorker> | null = null;
   _initializedPromise: Promise<boolean>;
   _initializedCallback: (value?: unknown) => void;
@@ -73,15 +73,15 @@ export class CRTarget {
   }
 
   _didClose() {
-    if (this._frameManager)
-      this._frameManager.didClose();
+    if (this._crPage)
+      this._crPage.didClose();
   }
 
   async page(): Promise<Page | null> {
     if ((this._targetInfo.type === 'page' || this._targetInfo.type === 'background_page') && !this._pagePromise) {
       this._pagePromise = this._sessionFactory().then(async client => {
-        this._frameManager = new CRFrameManager(client, this._browser, this._browserContext);
-        const page = this._frameManager.page();
+        this._crPage = new CRPage(client, this._browser, this._browserContext);
+        const page = this._crPage.page();
         (page as any)[targetSymbol] = this;
         client.once(CRSessionEvents.Disconnected, () => page._didDisconnect());
         client.on('Target.attachedToTarget', event => {
@@ -90,7 +90,7 @@ export class CRTarget {
             client.send('Target.detachFromTarget', { sessionId: event.sessionId }).catch(debugError);
           }
         });
-        await this._frameManager.initialize();
+        await this._crPage.initialize();
         await client.send('Target.setAutoAttach', {autoAttach: true, waitForDebuggerOnStart: false, flatten: true});
         return page;
       });
diff --git a/src/chromium/features/crOverrides.ts b/src/chromium/features/crOverrides.ts
index 4e69abb988..acc2155938 100644
--- a/src/chromium/features/crOverrides.ts
+++ b/src/chromium/features/crOverrides.ts
@@ -16,7 +16,7 @@
  */
 
 import { BrowserContext } from '../../browserContext';
-import { CRFrameManager } from '../crFrameManager';
+import { CRPage } from '../crPage';
 import { Page } from '../../page';
 
 export class CROverrides {
@@ -30,7 +30,7 @@ export class CROverrides {
   async setGeolocation(options: { longitude?: number; latitude?: number; accuracy?: (number | undefined); } | null) {
     if (!options) {
       for (const page of await this._context.pages())
-        await (page._delegate as CRFrameManager)._client.send('Emulation.clearGeolocationOverride', {});
+        await (page._delegate as CRPage)._client.send('Emulation.clearGeolocationOverride', {});
       this._geolocation = null;
       return;
     }
@@ -44,11 +44,11 @@ export class CROverrides {
       throw new Error(`Invalid accuracy "${accuracy}": precondition 0 <= ACCURACY failed.`);
     this._geolocation = { longitude, latitude, accuracy };
     for (const page of await this._context.pages())
-      await (page._delegate as CRFrameManager)._client.send('Emulation.setGeolocationOverride', this._geolocation);
+      await (page._delegate as CRPage)._client.send('Emulation.setGeolocationOverride', this._geolocation);
   }
 
   async _applyOverrides(page: Page): Promise<void> {
     if (this._geolocation)
-      await (page._delegate as CRFrameManager)._client.send('Emulation.setGeolocationOverride', this._geolocation);
+      await (page._delegate as CRPage)._client.send('Emulation.setGeolocationOverride', this._geolocation);
   }
 }
diff --git a/src/chromium/features/crWorkers.ts b/src/chromium/features/crWorkers.ts
index 3802fbe582..b761af04fd 100644
--- a/src/chromium/features/crWorkers.ts
+++ b/src/chromium/features/crWorkers.ts
@@ -25,7 +25,7 @@ import * as js from '../../javascript';
 import * as console from '../../console';
 import { CRExecutionContext } from '../crExecutionContext';
 import { toConsoleMessageLocation, exceptionToError } from '../crProtocolHelper';
-import { CRPage } from '../crFrameManager';
+import { ChromiumPage } from '../crPage';
 
 type AddToConsoleCallback = (type: string, args: js.JSHandle[], location: console.ConsoleMessageLocation) => void;
 type HandleExceptionCallback = (error: Error) => void;
@@ -33,7 +33,7 @@ type HandleExceptionCallback = (error: Error) => void;
 export class CRWorkers {
   private _workers = new Map<string, CRWorker>();
 
-  constructor(client: CRSession, page: CRPage, addToConsole: AddToConsoleCallback, handleException: HandleExceptionCallback) {
+  constructor(client: CRSession, page: ChromiumPage, addToConsole: AddToConsoleCallback, handleException: HandleExceptionCallback) {
     client.on('Target.attachedToTarget', event => {
       if (event.targetInfo.type !== 'worker')
         return;
diff --git a/src/firefox/ffBrowser.ts b/src/firefox/ffBrowser.ts
index dad354f4a6..9432728ea3 100644
--- a/src/firefox/ffBrowser.ts
+++ b/src/firefox/ffBrowser.ts
@@ -23,7 +23,7 @@ import * as network from '../network';
 import { Page } from '../page';
 import { ConnectionTransport } from '../transport';
 import { ConnectionEvents, FFConnection, FFSessionEvents } from './ffConnection';
-import { FFFrameManager } from './ffFrameManager';
+import { FFPage } from './ffPage';
 
 export class FFBrowser extends browser.Browser {
   _connection: FFConnection;
@@ -156,7 +156,7 @@ export class FFBrowser extends browser.Browser {
         });
         const target = this._targets.get(targetId);
         const page = await target.page();
-        const session = (page._delegate as FFFrameManager)._session;
+        const session = (page._delegate as FFPage)._session;
         const promises: Promise<any>[] = [];
         if (options.viewport)
           promises.push(page._delegate.setViewport(options.viewport));
@@ -222,7 +222,7 @@ export class FFBrowser extends browser.Browser {
 
 export class Target {
   _pagePromise?: Promise<Page>;
-  private _frameManager: FFFrameManager | null = null;
+  private _ffPage: FFPage | null = null;
   private _browser: FFBrowser;
   _context: BrowserContext;
   private _connection: FFConnection;
@@ -242,8 +242,8 @@ export class Target {
   }
 
   _didClose() {
-    if (this._frameManager)
-      this._frameManager.didClose();
+    if (this._ffPage)
+      this._ffPage.didClose();
   }
 
   opener(): Target | null {
@@ -266,10 +266,10 @@ export class Target {
     if (this._type === 'page' && !this._pagePromise) {
       this._pagePromise = new Promise(async f => {
         const session = await this._connection.createSession(this._targetId);
-        this._frameManager = new FFFrameManager(session, this._context);
-        const page = this._frameManager._page;
+        this._ffPage = new FFPage(session, this._context);
+        const page = this._ffPage._page;
         session.once(FFSessionEvents.Disconnected, () => page._didDisconnect());
-        await this._frameManager._initialize();
+        await this._ffPage._initialize();
         f(page);
       });
     }
diff --git a/src/firefox/ffFrameManager.ts b/src/firefox/ffPage.ts
similarity index 99%
rename from src/firefox/ffFrameManager.ts
rename to src/firefox/ffPage.ts
index 2dda906d5e..a605b842eb 100644
--- a/src/firefox/ffFrameManager.ts
+++ b/src/firefox/ffPage.ts
@@ -33,7 +33,7 @@ import { FFAccessibility } from './features/ffAccessibility';
 import * as network from '../network';
 import * as types from '../types';
 
-export class FFFrameManager implements PageDelegate {
+export class FFPage implements PageDelegate {
   readonly rawMouse: RawMouseImpl;
   readonly rawKeyboard: RawKeyboardImpl;
   readonly _session: FFSession;
diff --git a/src/webkit/wkBrowser.ts b/src/webkit/wkBrowser.ts
index 042e9498e7..a2a7c92302 100644
--- a/src/webkit/wkBrowser.ts
+++ b/src/webkit/wkBrowser.ts
@@ -125,7 +125,7 @@ export class WKBrowser extends browser.Browser {
       const opener = this._targets.get(targetInfo.openerId);
       if (!opener)
         return;
-      const openerPage = opener._frameManager ? opener._frameManager._page : null;
+      const openerPage = opener._wkPage ? opener._wkPage._page : null;
       if (!openerPage || !openerPage.listenerCount(Events.Page.Popup))
         return;
       target.page().then(page => openerPage.emit(Events.Page.Popup, page));
diff --git a/src/webkit/wkFrameManager.ts b/src/webkit/wkPage.ts
similarity index 98%
rename from src/webkit/wkFrameManager.ts
rename to src/webkit/wkPage.ts
index 2bf9cb5f74..f34e79e775 100644
--- a/src/webkit/wkFrameManager.ts
+++ b/src/webkit/wkPage.ts
@@ -37,7 +37,7 @@ import { PNG } from 'pngjs';
 const UTILITY_WORLD_NAME = '__playwright_utility_world__';
 const BINDING_CALL_MESSAGE = '__playwright_binding_call__';
 
-export class WKFrameManager implements PageDelegate {
+export class WKPage implements PageDelegate {
   readonly rawMouse: RawMouseImpl;
   readonly rawKeyboard: RawKeyboardImpl;
   _session: WKTargetSession;
@@ -106,7 +106,7 @@ export class WKFrameManager implements PageDelegate {
     if (this._page._state.extraHTTPHeaders !== null)
       promises.push(this._setExtraHTTPHeaders(session, this._page._state.extraHTTPHeaders));
     if (this._page._state.viewport)
-      promises.push(WKFrameManager._setViewport(session, this._page._state.viewport));
+      promises.push(WKPage._setViewport(session, this._page._state.viewport));
     await Promise.all(promises);
   }
 
@@ -290,7 +290,7 @@ export class WKFrameManager implements PageDelegate {
   }
 
   async setViewport(viewport: types.Viewport): Promise<void> {
-    return WKFrameManager._setViewport(this._session, viewport);
+    return WKPage._setViewport(this._session, viewport);
   }
 
   private static async _setViewport(session: WKTargetSession, viewport: types.Viewport): Promise<void> {
diff --git a/src/webkit/wkTarget.ts b/src/webkit/wkTarget.ts
index 795f22ce94..29aa400b14 100644
--- a/src/webkit/wkTarget.ts
+++ b/src/webkit/wkTarget.ts
@@ -19,7 +19,7 @@ import { BrowserContext } from '../browserContext';
 import { Page } from '../page';
 import { Protocol } from './protocol';
 import { WKTargetSession, WKTargetSessionEvents } from './wkConnection';
-import { WKFrameManager } from './wkFrameManager';
+import { WKPage } from './wkPage';
 import { WKBrowser } from './wkBrowser';
 
 export class WKTarget {
@@ -29,7 +29,7 @@ export class WKTarget {
   private readonly _session: WKTargetSession;
   private _pagePromise: Promise<Page> | null = null;
   private _browser: WKBrowser;
-  _frameManager: WKFrameManager | null = null;
+  _wkPage: WKPage | null = null;
 
   constructor(browser: WKBrowser, session: WKTargetSession, targetInfo: Protocol.Target.TargetInfo, browserContext: BrowserContext) {
     const {targetId, type} = targetInfo;
@@ -43,17 +43,17 @@ export class WKTarget {
   }
 
   _didClose() {
-    if (this._frameManager)
-      this._frameManager.didClose();
+    if (this._wkPage)
+      this._wkPage.didClose();
   }
 
   async _initializeSession(session: WKTargetSession) {
-    if (!this._frameManager)
+    if (!this._wkPage)
       return;
-    await this._frameManager._initializeSession(session).catch(e => {
+    await this._wkPage._initializeSession(session).catch(e => {
       // Swallow initialization errors due to newer target swap in,
       // since we will reinitialize again.
-      if (this._frameManager)
+      if (this._wkPage)
         throw e;
     });
   }
@@ -62,29 +62,29 @@ export class WKTarget {
     if (!oldTarget._pagePromise)
       return;
     this._pagePromise = oldTarget._pagePromise;
-    this._frameManager = oldTarget._frameManager;
+    this._wkPage = oldTarget._wkPage;
     // Swapped out target should not be accessed by anyone. Reset page promise so that
     // old target does not close the page on connection reset.
     oldTarget._pagePromise = null;
-    oldTarget._frameManager = null;
+    oldTarget._wkPage = null;
     this._adoptPage();
   }
 
   private _adoptPage() {
     this._session.once(WKTargetSessionEvents.Disconnected, () => {
       // Once swapped out, we reset _page and won't call _didDisconnect for old session.
-      if (this._frameManager)
-        this._frameManager._page._didDisconnect();
+      if (this._wkPage)
+        this._wkPage._page._didDisconnect();
     });
-    this._frameManager.setSession(this._session);
+    this._wkPage.setSession(this._session);
   }
 
   async page(): Promise<Page> {
     if (this._type === 'page' && !this._pagePromise) {
-      this._frameManager = new WKFrameManager(this._browser, this._browserContext);
+      this._wkPage = new WKPage(this._browser, this._browserContext);
       // Reference local page variable as |this._frameManager| may be
       // cleared on swap.
-      const page = this._frameManager._page;
+      const page = this._wkPage._page;
       this._pagePromise = new Promise(async f => {
         this._adoptPage();
         await this._initializeSession(this._session);