diff --git a/experimental/puppeteer-firefox/lib/Events.js b/experimental/puppeteer-firefox/lib/Events.js
index 5646db6349e..b99bbf4f54a 100644
--- a/experimental/puppeteer-firefox/lib/Events.js
+++ b/experimental/puppeteer-firefox/lib/Events.js
@@ -10,6 +10,10 @@ const Events = {
     Load: 'load',
     PageError: 'pageerror',
     Popup: 'popup',
+    Request: 'request',
+    Response: 'response',
+    RequestFinished: 'requestfinished',
+    RequestFailed: 'requestfailed',
   },
   Browser: {
     TargetCreated: 'targetcreated',
@@ -30,8 +34,15 @@ const Events = {
     Load: Symbol('Events.FrameManager.Load'),
     DOMContentLoaded: Symbol('Events.FrameManager.DOMContentLoaded'),
     FrameAttached: Symbol('Events.FrameManager.FrameAttached'),
+    FrameNavigated: Symbol('Events.FrameManager.FrameNavigated'),
     FrameDetached: Symbol('Events.FrameManager.FrameDetached'),
-  }
+  },
+
+  NetworkManager: {
+    Request: Symbol('Events.NetworkManager.Request'),
+    Response: Symbol('Events.NetworkManager.Response'),
+    RequestFinished: Symbol('Events.NetworkManager.RequestFinished'),
+  },
 };
 
 module.exports = {Events};
diff --git a/experimental/puppeteer-firefox/lib/FrameManager.js b/experimental/puppeteer-firefox/lib/FrameManager.js
index 7201613253b..02dfdf2316a 100644
--- a/experimental/puppeteer-firefox/lib/FrameManager.js
+++ b/experimental/puppeteer-firefox/lib/FrameManager.js
@@ -24,6 +24,8 @@ class FrameManager extends EventEmitter {
       helper.addEventListener(this._session, 'Page.eventFired', this._onEventFired.bind(this)),
       helper.addEventListener(this._session, 'Page.frameAttached', this._onFrameAttached.bind(this)),
       helper.addEventListener(this._session, 'Page.frameDetached', this._onFrameDetached.bind(this)),
+      helper.addEventListener(this._session, 'Page.navigationCommitted', this._onNavigationCommitted.bind(this)),
+      helper.addEventListener(this._session, 'Page.sameDocumentNavigation', this._onSameDocumentNavigation.bind(this)),
     ];
   }
 
@@ -48,6 +50,20 @@ class FrameManager extends EventEmitter {
     }
   }
 
+  _onNavigationCommitted(params) {
+    const frame = this._frames.get(params.frameId);
+    frame._navigated(params.url, params.name, params.navigationId);
+    frame._DOMContentLoadedFired = false;
+    frame._loadFired = false;
+    this.emit(Events.FrameManager.FrameNavigated, frame);
+  }
+
+  _onSameDocumentNavigation(params) {
+    const frame = this._frames.get(params.frameId);
+    frame._url = params.url;
+    this.emit(Events.FrameManager.FrameNavigated, frame);
+  }
+
   _onFrameAttached(params) {
     const frame = new Frame(this._session, this, this._page, params.frameId, this._timeoutSettings);
     const parentFrame = this._frames.get(params.parentFrameId) || null;
diff --git a/experimental/puppeteer-firefox/lib/NetworkManager.js b/experimental/puppeteer-firefox/lib/NetworkManager.js
new file mode 100644
index 00000000000..7dd93205f4b
--- /dev/null
+++ b/experimental/puppeteer-firefox/lib/NetworkManager.js
@@ -0,0 +1,174 @@
+const {helper} = require('./helper');
+const util = require('util');
+const EventEmitter = require('events');
+const {Events} = require('./Events');
+
+class NetworkManager extends EventEmitter {
+  constructor(session, frameManager) {
+    super();
+    this._session = session;
+
+    this._requests = new Map();
+    this._frameManager = frameManager;
+
+    this._eventListeners = [
+      helper.addEventListener(session, 'Page.requestWillBeSent', this._onRequestWillBeSent.bind(this)),
+      helper.addEventListener(session, 'Page.responseReceived', this._onResponseReceived.bind(this)),
+      helper.addEventListener(session, 'Page.requestFinished', this._onRequestFinished.bind(this)),
+    ];
+  }
+
+  _onRequestWillBeSent(event) {
+    const frame = this._frameManager && event.frameId ? this._frameManager.frame(event.frameId) : null;
+    if (!frame)
+      return;
+    let redirectChain = [];
+    const redirected = event.redirectedFrom ? this._requests.get(event.redirectedFrom) : null;
+    if (redirected) {
+      redirectChain = redirected._redirectChain;
+      redirectChain.push(redirected);
+      this._requests.delete(redirected._id);
+    }
+    const request = new Request(frame, redirectChain, event);
+    this._requests.set(request._id, request);
+    this.emit(Events.NetworkManager.Request, request);
+  }
+
+  _onResponseReceived(event) {
+    const request = this._requests.get(event.requestId);
+    if (!request)
+      return;
+    const response = new Response(request, event);
+    request._response = response;
+    this.emit(Events.NetworkManager.Response, response);
+  }
+
+  _onRequestFinished(event) {
+    const request = this._requests.get(event.requestId);
+    if (!request)
+      return;
+    // Keep redirected requests in the map for future reference in redirectChain.
+    const isRedirected = request.response().status() >= 300 && request.response().status() <= 399;
+    if (!isRedirected)
+      this._requests.delete(request._id);
+    this.emit(Events.NetworkManager.RequestFinished, request);
+  }
+
+  dispose() {
+    helper.removeEventListeners(this._eventListeners);
+  }
+}
+
+/**
+ *
+ * document, stylesheet, image, media, font, script, texttrack, xhr, fetch, eventsource, websocket, manifest, other.
+ */
+const causeToResourceType = {
+  TYPE_INVALID: 'other',
+  TYPE_OTHER: 'other',
+  TYPE_SCRIPT: 'script',
+  TYPE_IMAGE: 'image',
+  TYPE_STYLESHEET: 'stylesheet',
+  TYPE_OBJECT: 'other',
+  TYPE_DOCUMENT: 'document',
+  TYPE_SUBDOCUMENT: 'document',
+  TYPE_REFRESH: 'document',
+  TYPE_XBL: 'other',
+  TYPE_PING: 'other',
+  TYPE_XMLHTTPREQUEST: 'xhr',
+  TYPE_OBJECT_SUBREQUEST: 'other',
+  TYPE_DTD: 'other',
+  TYPE_FONT: 'font',
+  TYPE_MEDIA: 'media',
+  TYPE_WEBSOCKET: 'websocket',
+  TYPE_CSP_REPORT: 'other',
+  TYPE_XSLT: 'other',
+  TYPE_BEACON: 'other',
+  TYPE_FETCH: 'fetch',
+  TYPE_IMAGESET: 'images',
+  TYPE_WEB_MANIFEST: 'manifest',
+};
+
+class Request {
+  constructor(frame, redirectChain, payload) {
+    this._frame = frame;
+    this._id = payload.requestId;
+    this._redirectChain = redirectChain;
+    this._url = payload.url;
+    this._response = null;
+    this._isNavigationRequest = payload.isNavigationRequest;
+    this._method = payload.method;
+    this._resourceType = causeToResourceType[payload.cause] || 'other';
+  }
+
+  redirectChain() {
+    return this._redirectChain.slice();
+  }
+
+  resourceType() {
+    return this._resourceType;
+  }
+
+  url() {
+    return this._url;
+  }
+
+  method() {
+    return this._method;
+  }
+
+  isNavigationRequest() {
+    return this._isNavigationRequest;
+  }
+
+  frame() {
+    return this._frame;
+  }
+
+  response() {
+    return this._response;
+  }
+}
+
+class Response {
+  constructor(request, payload) {
+    this._request = request;
+    this._remoteIPAddress = payload.remoteIPAddress;
+    this._remotePort = payload.remotePort;
+    this._status = payload.status;
+    this._statusText = payload.statusText;
+  }
+
+  status() {
+    return this._status;
+  }
+
+  statusText() {
+    return this._statusText;
+  }
+
+  ok() {
+    return this._status >= 200 && this._status <= 299;
+  }
+
+  remoteAddress() {
+    return {
+      ip: this._remoteIPAddress,
+      port: this._remotePort,
+    };
+  }
+
+  frame() {
+    return this._request.frame();
+  }
+
+  url() {
+    return this._request.url();
+  }
+
+  request() {
+    return this._request;
+  }
+}
+
+module.exports = {NetworkManager, Request, Response};
diff --git a/experimental/puppeteer-firefox/lib/Page.js b/experimental/puppeteer-firefox/lib/Page.js
index 064928ffead..b489e1a1338 100644
--- a/experimental/puppeteer-firefox/lib/Page.js
+++ b/experimental/puppeteer-firefox/lib/Page.js
@@ -9,6 +9,7 @@ const EventEmitter = require('events');
 const {createHandle} = require('./JSHandle');
 const {Events} = require('./Events');
 const {FrameManager} = require('./FrameManager');
+const {NetworkManager} = require('./NetworkManager');
 const {TimeoutSettings} = require('./TimeoutSettings');
 
 const writeFileAsync = util.promisify(fs.writeFile);
@@ -74,17 +75,21 @@ class Page extends EventEmitter {
     this._mouse = new Mouse(session, this._keyboard);
     this._isClosed = false;
     this._frameManager = new FrameManager(session, this, this._timeoutSettings);
+    this._networkManager = new NetworkManager(session, this._frameManager);
     this._eventListeners = [
       helper.addEventListener(this._session, 'Page.uncaughtError', this._onUncaughtError.bind(this)),
       helper.addEventListener(this._session, 'Page.consoleAPICalled', this._onConsole.bind(this)),
       helper.addEventListener(this._session, 'Page.dialogOpened', this._onDialogOpened.bind(this)),
       helper.addEventListener(this._session, 'Browser.tabClosed', this._onClosed.bind(this)),
-      helper.addEventListener(this._session, 'Page.navigationCommitted', this._onNavigationCommitted.bind(this)),
-      helper.addEventListener(this._session, 'Page.sameDocumentNavigation', this._onSameDocumentNavigation.bind(this)),
       helper.addEventListener(this._frameManager, Events.FrameManager.Load, () => this.emit(Events.Page.Load)),
       helper.addEventListener(this._frameManager, Events.FrameManager.DOMContentLoaded, () => this.emit(Events.Page.DOMContentLoaded)),
       helper.addEventListener(this._frameManager, Events.FrameManager.FrameAttached, frame => this.emit(Events.Page.FrameAttached, frame)),
       helper.addEventListener(this._frameManager, Events.FrameManager.FrameDetached, frame => this.emit(Events.Page.FrameDetached, frame)),
+      helper.addEventListener(this._frameManager, Events.FrameManager.FrameNavigated, frame => this.emit(Events.Page.FrameNavigated, frame)),
+      helper.addEventListener(this._networkManager, Events.NetworkManager.Request, request => this.emit(Events.Page.Request, request)),
+      helper.addEventListener(this._networkManager, Events.NetworkManager.Response, response => this.emit(Events.Page.Response, response)),
+      helper.addEventListener(this._networkManager, Events.NetworkManager.RequestFinished, request => this.emit(Events.Page.RequestFinished, request)),
+      helper.addEventListener(this._networkManager, Events.NetworkManager.RequestFailed, request => this.emit(Events.Page.RequestFailed, request)),
     ];
     this._viewport = null;
   }
@@ -206,20 +211,6 @@ class Page extends EventEmitter {
     return this._frameManager.mainFrame();
   }
 
-  _onNavigationCommitted(params) {
-    const frame = this._frameManager.frame(params.frameId);
-    frame._navigated(params.url, params.name, params.navigationId);
-    frame._DOMContentLoadedFired = false;
-    frame._loadFired = false;
-    this.emit(Events.Page.FrameNavigated, frame);
-  }
-
-  _onSameDocumentNavigation(params) {
-    const frame = this._frameManager.frame(params.frameId);
-    frame._url = params.url;
-    this.emit(Events.Page.FrameNavigated, frame);
-  }
-
   get keyboard(){
     return this._keyboard;
   }
@@ -272,10 +263,10 @@ class Page extends EventEmitter {
     if (!navigationId) {
       // Same document navigation happened.
       clearTimeout(timeoutId);
-      return;
+      return null;
     }
 
-    const watchDog = new NavigationWatchdog(this._session, frame, navigationId, url, normalizedWaitUntil);
+    const watchDog = new NavigationWatchdog(this._session, frame, this._networkManager, navigationId, url, normalizedWaitUntil);
     const error = await Promise.race([
       timeoutPromise,
       watchDog.promise(),
@@ -284,6 +275,7 @@ class Page extends EventEmitter {
     clearTimeout(timeoutId);
     if (error)
       throw error;
+    return watchDog.navigationResponse();
   }
 
   /**
@@ -309,7 +301,7 @@ class Page extends EventEmitter {
     const timeoutPromise = new Promise(resolve => timeoutCallback = resolve.bind(null, timeoutError));
     const timeoutId = timeout ? setTimeout(timeoutCallback, timeout) : null;
 
-    const watchDog = new NavigationWatchdog(this._session, frame, navigationId, url, normalizedWaitUntil);
+    const watchDog = new NavigationWatchdog(this._session, frame, this._networkManager, navigationId, url, normalizedWaitUntil);
     const error = await Promise.race([
       timeoutPromise,
       watchDog.promise(),
@@ -318,6 +310,7 @@ class Page extends EventEmitter {
     clearTimeout(timeoutId);
     if (error)
       throw error;
+    return watchDog.navigationResponse();
   }
 
   /**
@@ -334,14 +327,14 @@ class Page extends EventEmitter {
       frameId: frame._frameId,
     });
     if (!navigationId)
-      return;
+      return null;
 
     const timeoutError = new TimeoutError('Navigation Timeout Exceeded: ' + timeout + 'ms');
     let timeoutCallback;
     const timeoutPromise = new Promise(resolve => timeoutCallback = resolve.bind(null, timeoutError));
     const timeoutId = timeout ? setTimeout(timeoutCallback, timeout) : null;
 
-    const watchDog = new NavigationWatchdog(this._session, frame, navigationId, navigationURL, normalizedWaitUntil);
+    const watchDog = new NavigationWatchdog(this._session, frame, this._networkManager, navigationId, navigationURL, normalizedWaitUntil);
     const error = await Promise.race([
       timeoutPromise,
       watchDog.promise(),
@@ -350,6 +343,7 @@ class Page extends EventEmitter {
     clearTimeout(timeoutId);
     if (error)
       throw error;
+    return watchDog.navigationResponse();
   }
 
   /**
@@ -366,14 +360,14 @@ class Page extends EventEmitter {
       frameId: frame._frameId,
     });
     if (!navigationId)
-      return;
+      return null;
 
     const timeoutError = new TimeoutError('Navigation Timeout Exceeded: ' + timeout + 'ms');
     let timeoutCallback;
     const timeoutPromise = new Promise(resolve => timeoutCallback = resolve.bind(null, timeoutError));
     const timeoutId = timeout ? setTimeout(timeoutCallback, timeout) : null;
 
-    const watchDog = new NavigationWatchdog(this._session, frame, navigationId, navigationURL, normalizedWaitUntil);
+    const watchDog = new NavigationWatchdog(this._session, frame, this._networkManager, navigationId, navigationURL, normalizedWaitUntil);
     const error = await Promise.race([
       timeoutPromise,
       watchDog.promise(),
@@ -382,6 +376,7 @@ class Page extends EventEmitter {
     clearTimeout(timeoutId);
     if (error)
       throw error;
+    return watchDog.navigationResponse();
   }
 
   /**
@@ -398,14 +393,14 @@ class Page extends EventEmitter {
       frameId: frame._frameId,
     });
     if (!navigationId)
-      return;
+      return null;
 
     const timeoutError = new TimeoutError('Navigation Timeout Exceeded: ' + timeout + 'ms');
     let timeoutCallback;
     const timeoutPromise = new Promise(resolve => timeoutCallback = resolve.bind(null, timeoutError));
     const timeoutId = timeout ? setTimeout(timeoutCallback, timeout) : null;
 
-    const watchDog = new NavigationWatchdog(this._session, frame, navigationId, navigationURL, normalizedWaitUntil);
+    const watchDog = new NavigationWatchdog(this._session, frame, this._networkManager, navigationId, navigationURL, normalizedWaitUntil);
     const error = await Promise.race([
       timeoutPromise,
       watchDog.promise(),
@@ -414,6 +409,7 @@ class Page extends EventEmitter {
     clearTimeout(timeoutId);
     if (error)
       throw error;
+    return watchDog.navigationResponse();
   }
 
   /**
@@ -724,13 +720,14 @@ class NextNavigationWatchdog {
  * @internal
  */
 class NavigationWatchdog {
-  constructor(session, navigatedFrame, targetNavigationId, targetURL, firedEvents) {
+  constructor(session, navigatedFrame, networkManager, targetNavigationId, targetURL, firedEvents) {
     this._navigatedFrame = navigatedFrame;
     this._targetNavigationId = targetNavigationId;
     this._firedEvents = firedEvents;
     this._targetURL = targetURL;
 
     this._promise = new Promise(x => this._resolveCallback = x);
+    this._navigationRequest = null;
 
     const check = this._checkNavigationComplete.bind(this);
     this._eventListeners = [
@@ -740,10 +737,21 @@ class NavigationWatchdog {
       helper.addEventListener(session, 'Page.navigationStarted', check),
       helper.addEventListener(session, 'Page.navigationCommitted', check),
       helper.addEventListener(session, 'Page.navigationAborted', this._onNavigationAborted.bind(this)),
+      helper.addEventListener(networkManager, Events.NetworkManager.Request, this._onRequest.bind(this)),
     ];
     check();
   }
 
+  _onRequest(request) {
+    if (request.frame() !== this._navigatedFrame || !request.isNavigationRequest())
+      return;
+    this._navigationRequest = request;
+  }
+
+  navigationResponse() {
+    return this._navigationRequest ? this._navigationRequest.response() : null;
+  }
+
   _checkNavigationComplete() {
     if (this._navigatedFrame._lastCommittedNavigationId === this._targetNavigationId
         && checkFiredEvents(this._navigatedFrame, this._firedEvents)) {
diff --git a/experimental/puppeteer-firefox/lib/api.js b/experimental/puppeteer-firefox/lib/api.js
index c29c62da914..1f01e99c4bd 100644
--- a/experimental/puppeteer-firefox/lib/api.js
+++ b/experimental/puppeteer-firefox/lib/api.js
@@ -12,6 +12,8 @@ module.exports = {
   Mouse: require('./Input').Mouse,
   Page: require('./Page').Page,
   Puppeteer: require('./Puppeteer').Puppeteer,
+  Request: require('./NetworkManager').Request,
+  Response: require('./NetworkManager').Response,
   Target: require('./Browser').Target,
   TimeoutError: require('./Errors').TimeoutError,
 };
diff --git a/experimental/puppeteer-firefox/package.json b/experimental/puppeteer-firefox/package.json
index e18958da035..7214ae566a8 100644
--- a/experimental/puppeteer-firefox/package.json
+++ b/experimental/puppeteer-firefox/package.json
@@ -9,7 +9,7 @@
     "node": ">=8.9.4"
   },
   "puppeteer": {
-    "firefox_revision": "592ca01fa3d2566a9f494e2df8ca6876c5b5b4bb"
+    "firefox_revision": "668e06245e539adf0d453b447401b8eb6e9acb44"
   },
   "scripts": {
     "install": "node install.js",
diff --git a/test/navigation.spec.js b/test/navigation.spec.js
index e75d2eca345..102cae238e5 100644
--- a/test/navigation.spec.js
+++ b/test/navigation.spec.js
@@ -33,11 +33,11 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       await page.goto(server.PREFIX + '/redirect/1.html');
       expect(page.url()).toBe(server.EMPTY_PAGE);
     });
-    it_fails_ffox('should navigate to about:blank', async({page, server}) => {
+    it('should navigate to about:blank', async({page, server}) => {
       const response = await page.goto('about:blank');
       expect(response).toBe(null);
     });
-    it_fails_ffox('should return response when page changes its URL after load', async({page, server}) => {
+    it('should return response when page changes its URL after load', async({page, server}) => {
       const response = await page.goto(server.PREFIX + '/historyapi.html');
       expect(response.status()).toBe(200);
     });
@@ -66,7 +66,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       expect(response.status()).toBe(200);
       expect(response.securityDetails()).toBe(null);
     });
-    it_fails_ffox('should work when page calls history API in beforeunload', async({page, server}) => {
+    it('should work when page calls history API in beforeunload', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       await page.evaluate(() => {
         window.addEventListener('beforeunload', () => history.replaceState(null, 'initial', window.location.href), false);
@@ -90,7 +90,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       else
         expect(error.message).toContain('Invalid url');
     });
-    it_fails_ffox('should fail when navigating to bad SSL', async({page, httpsServer}) => {
+    it('should fail when navigating to bad SSL', async({page, httpsServer}) => {
       // Make sure that network events do not emit 'undefined'.
       // @see https://crbug.com/750469
       page.on('request', request => expect(request).toBeTruthy());
@@ -98,7 +98,10 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       page.on('requestfailed', request => expect(request).toBeTruthy());
       let error = null;
       await page.goto(httpsServer.EMPTY_PAGE).catch(e => error = e);
-      expect(error.message).toContain('net::ERR_CERT_AUTHORITY_INVALID');
+      if (CHROME)
+        expect(error.message).toContain('net::ERR_CERT_AUTHORITY_INVALID');
+      else
+        expect(error.message).toContain('SSL_ERROR_UNKNOWN');
     });
     it('should fail when navigating to bad SSL after redirects', async({page, server, httpsServer}) => {
       server.setRedirect('/redirect/1.html', '/redirect/2.html');
@@ -167,7 +170,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       expect(error).toBe(null);
       expect(loaded).toBe(true);
     });
-    it_fails_ffox('should work when navigating to valid url', async({page, server}) => {
+    it('should work when navigating to valid url', async({page, server}) => {
       const response = await page.goto(server.EMPTY_PAGE);
       expect(response.ok()).toBe(true);
     });
@@ -175,12 +178,12 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       const response = await page.goto('data:text/html,hello');
       expect(response.ok()).toBe(true);
     });
-    it_fails_ffox('should work when navigating to 404', async({page, server}) => {
+    it('should work when navigating to 404', async({page, server}) => {
       const response = await page.goto(server.PREFIX + '/not-found');
       expect(response.ok()).toBe(false);
       expect(response.status()).toBe(404);
     });
-    it_fails_ffox('should return last response in redirect chain', async({page, server}) => {
+    it('should return last response in redirect chain', async({page, server}) => {
       server.setRedirect('/redirect/1.html', '/redirect/2.html');
       server.setRedirect('/redirect/2.html', '/redirect/3.html');
       server.setRedirect('/redirect/3.html', server.EMPTY_PAGE);
@@ -293,7 +296,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       expect(requests.length).toBe(1);
       expect(requests[0].url()).toBe(server.EMPTY_PAGE);
     });
-    it_fails_ffox('should work with self requesting page', async({page, server}) => {
+    it('should work with self requesting page', async({page, server}) => {
       const response = await page.goto(server.PREFIX + '/self-request.html');
       expect(response.status()).toBe(200);
       expect(response.url()).toContain('self-request.html');
@@ -323,7 +326,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
   });
 
   describe('Page.waitForNavigation', function() {
-    it_fails_ffox('should work', async({page, server}) => {
+    it('should work', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       const [response] = await Promise.all([
         page.waitForNavigation(),
@@ -352,7 +355,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       await bothFiredPromise;
       await navigationPromise;
     });
-    it_fails_ffox('should work with clicking on anchor links', async({page, server}) => {
+    it('should work with clicking on anchor links', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       await page.setContent(`<a href='#foobar'>foobar</a>`);
       const [response] = await Promise.all([
@@ -362,7 +365,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       expect(response).toBe(null);
       expect(page.url()).toBe(server.EMPTY_PAGE + '#foobar');
     });
-    it_fails_ffox('should work with history.pushState()', async({page, server}) => {
+    it('should work with history.pushState()', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       await page.setContent(`
         <a onclick='javascript:pushState()'>SPA</a>
@@ -377,7 +380,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
       expect(response).toBe(null);
       expect(page.url()).toBe(server.PREFIX + '/wow.html');
     });
-    it_fails_ffox('should work with history.replaceState()', async({page, server}) => {
+    it('should work with history.replaceState()', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       await page.setContent(`
         <a onclick='javascript:replaceState()'>SPA</a>
@@ -436,7 +439,7 @@ module.exports.addTests = function({testRunner, expect, Errors, CHROME}) {
   });
 
   describe('Page.goBack', function() {
-    it_fails_ffox('should work', async({page, server}) => {
+    it('should work', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       await page.goto(server.PREFIX + '/grid.html');
 
diff --git a/test/network.spec.js b/test/network.spec.js
index e3233f3015d..4666e1b2b9d 100644
--- a/test/network.spec.js
+++ b/test/network.spec.js
@@ -20,10 +20,10 @@ const utils = require('./utils');
 
 module.exports.addTests = function({testRunner, expect}) {
   const {describe, xdescribe, fdescribe, describe_fails_ffox} = testRunner;
-  const {it, fit, xit} = testRunner;
+  const {it, fit, xit, it_fails_ffox} = testRunner;
   const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
 
-  describe_fails_ffox('Network Events', function() {
+  describe('Network Events', function() {
     it('Page.Events.Request', async({page, server}) => {
       const requests = [];
       page.on('request', request => requests.push(request));
@@ -36,7 +36,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(requests[0].frame() === page.mainFrame()).toBe(true);
       expect(requests[0].frame().url()).toBe(server.EMPTY_PAGE);
     });
-    it('Page.Events.Request should report post data', async({page, server}) => {
+    it_fails_ffox('Page.Events.Request should report post data', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       server.setRoute('/post', (req, res) => res.end());
       let request = null;
@@ -45,7 +45,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(request).toBeTruthy();
       expect(request.postData()).toBe('{"foo":"bar"}');
     });
-    it('Page.Events.Response', async({page, server}) => {
+    it_fails_ffox('Page.Events.Response', async({page, server}) => {
       const responses = [];
       page.on('response', response => responses.push(response));
       await page.goto(server.EMPTY_PAGE);
@@ -71,7 +71,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(response.statusText()).toBe('cool!');
     });
 
-    it('Response.fromCache()', async({page, server}) => {
+    it_fails_ffox('Response.fromCache()', async({page, server}) => {
       const responses = new Map();
       page.on('response', r => responses.set(r.url().split('/').pop(), r));
 
@@ -85,7 +85,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(responses.get('one-style.css').status()).toBe(200);
       expect(responses.get('one-style.css').fromCache()).toBe(true);
     });
-    it('Response.fromServiceWorker', async({page, server}) => {
+    it_fails_ffox('Response.fromServiceWorker', async({page, server}) => {
       const responses = new Map();
       page.on('response', r => responses.set(r.url().split('/').pop(), r));
 
@@ -101,7 +101,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(responses.get('style.css').fromServiceWorker()).toBe(true);
     });
 
-    it('Page.Events.Response should provide body', async({page, server}) => {
+    it_fails_ffox('Page.Events.Response should provide body', async({page, server}) => {
       let response = null;
       page.on('response', r => response = r);
       await page.goto(server.PREFIX + '/simple.json');
@@ -109,7 +109,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(await response.text()).toBe('{"foo": "bar"}\n');
       expect(await response.json()).toEqual({foo: 'bar'});
     });
-    it('Page.Events.Response should throw when requesting body of redirected response', async({page, server}) => {
+    it_fails_ffox('Page.Events.Response should throw when requesting body of redirected response', async({page, server}) => {
       server.setRedirect('/foo.html', '/empty.html');
       const response = await page.goto(server.PREFIX + '/foo.html');
       const redirectChain = response.request().redirectChain();
@@ -120,7 +120,7 @@ module.exports.addTests = function({testRunner, expect}) {
       await redirected.text().catch(e => error = e);
       expect(error.message).toContain('Response body is unavailable for redirect responses');
     });
-    it('Page.Events.Response should not report body unless request is finished', async({page, server}) => {
+    it_fails_ffox('Page.Events.Response should not report body unless request is finished', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       // Setup server to trap request.
       let serverResponse = null;
@@ -151,7 +151,7 @@ module.exports.addTests = function({testRunner, expect}) {
       await new Promise(x => serverResponse.end('ld!', x));
       expect(await responseText).toBe('hello world!');
     });
-    it('Page.Events.RequestFailed', async({page, server}) => {
+    it_fails_ffox('Page.Events.RequestFailed', async({page, server}) => {
       await page.setRequestInterception(true);
       page.on('request', request => {
         if (request.url().endsWith('css'))
@@ -213,7 +213,7 @@ module.exports.addTests = function({testRunner, expect}) {
     });
   });
 
-  describe_fails_ffox('Request.isNavigationRequest', () => {
+  describe('Request.isNavigationRequest', () => {
     it('should work', async({page, server}) => {
       const requests = new Map();
       page.on('request', request => requests.set(request.url().split('/').pop(), request));
@@ -225,7 +225,7 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(requests.get('script.js').isNavigationRequest()).toBe(false);
       expect(requests.get('style.css').isNavigationRequest()).toBe(false);
     });
-    it('should work with request interception', async({page, server}) => {
+    it_fails_ffox('should work with request interception', async({page, server}) => {
       const requests = new Map();
       page.on('request', request => {
         requests.set(request.url().split('/').pop(), request);
@@ -632,7 +632,7 @@ module.exports.addTests = function({testRunner, expect}) {
     });
   });
 
-  describe_fails_ffox('Page.Events.Request', function() {
+  describe('Page.Events.Request', function() {
     it('should fire', async({page, server}) => {
       const requests = [];
       page.on('request', request => requests.push(request));
diff --git a/test/puppeteer.spec.js b/test/puppeteer.spec.js
index 4d3d83d61ca..6fa08891b23 100644
--- a/test/puppeteer.spec.js
+++ b/test/puppeteer.spec.js
@@ -38,7 +38,7 @@ module.exports.addTests = ({testRunner, product, puppeteer, Errors, DeviceDescri
     executablePath: CHROME ? process.env.CHROME : process.env.FFOX,
     slowMo,
     headless,
-    dumpio: (process.env.DUMPIO || 'false').trim().toLowerCase() === 'true',
+    dumpio: !!process.env.DUMPIO,
   };
 
   if (defaultBrowserOptions.executablePath) {