diff --git a/util/browser.js b/util/browser.js
index 7ad82bee..6e173bf3 100644
--- a/util/browser.js
+++ b/util/browser.js
@@ -58,10 +58,6 @@ export class Browser
     }
   }
 
-  async getFirstPageWithCDP() {
-    return {page: this.firstPage, cdp: this.firstCDP};
-  }
-
   async loadProfile(profileFilename) {
     const targetFilename = "/tmp/profile.tar.gz";
 
@@ -108,6 +104,7 @@ export class Browser
   chromeArgs({proxy=true, userAgent=null, extraArgs=[]} = {}) {
     // Chrome Flags, including proxy server
     const args = [
+      ...defaultArgs,
       ...(process.env.CHROME_FLAGS ?? "").split(" ").filter(Boolean),
       //"--no-xshm", // needed for Chrome >80 (check if puppeteer adds automatically)
       "--no-sandbox",
@@ -360,6 +357,10 @@ export class PersistentContextBrowser extends PlaywrightBrowser
     this.firstCDP = null;
   }
 
+  async getFirstPageWithCDP() {
+    return {page: this.firstPage, cdp: this.firstCDP};
+  }
+
   isLaunched() {
     if (this.context) {
       logger.warn("Context already inited", {}, "context");
@@ -438,8 +439,12 @@ export class PuppeteerPersistentContextBrowser extends Browser
     super();
     this.browser = null;
 
-    this.firstPage = null;
     this.firstCDP = null;
+    this.firstPage = null;
+  }
+
+  async getFirstPageWithCDP() {
+    return {page: this.firstPage, cdp: this.firstCDP};
   }
 
   isLaunched() {
@@ -478,6 +483,7 @@ export class PuppeteerPersistentContextBrowser extends Browser
     const target = this.browser.target();
 
     this.firstCDP = await target.createCDPSession();
+    this.firstPage = await target.page();
   }
 
   numPages() {
@@ -531,3 +537,39 @@ export class PuppeteerPersistentContextBrowser extends Browser
     return await this.evaluateWithCLI_(cdp, frame, cdpContextId, funcString, logData, contextName);
   }
 }
+
+export const defaultArgs = [
+  "--disable-field-trial-config", // https://source.chromium.org/chromium/chromium/src/+/main:testing/variations/README.md
+  "--disable-background-networking",
+  "--enable-features=NetworkService,NetworkServiceInProcess",
+  "--disable-background-timer-throttling",
+  "--disable-backgrounding-occluded-windows",
+  "--disable-back-forward-cache", // Avoids surprises like main request not being intercepted during page.goBack().
+  "--disable-breakpad",
+  "--disable-client-side-phishing-detection",
+  "--disable-component-extensions-with-background-pages",
+  "--disable-component-update", // Avoids unneeded network activity after startup.
+  "--no-default-browser-check",
+  "--disable-default-apps",
+  "--disable-dev-shm-usage",
+  "--disable-extensions",
+  // AvoidUnnecessaryBeforeUnloadCheckSync - https://github.com/microsoft/playwright/issues/14047
+  // Translate - https://github.com/microsoft/playwright/issues/16126
+  "--disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate",
+  "--allow-pre-commit-input",
+  "--disable-hang-monitor",
+  "--disable-ipc-flooding-protection",
+  "--disable-popup-blocking",
+  "--disable-prompt-on-repost",
+  "--disable-renderer-backgrounding",
+  "--disable-sync",
+  "--force-color-profile=srgb",
+  "--metrics-recording-only",
+  "--no-first-run",
+  "--enable-automation",
+  "--password-store=basic",
+  "--use-mock-keychain",
+  // See https://chromium-review.googlesource.com/c/chromium/src/+/2436773
+  "--no-service-autorun",
+  "--export-tagged-pdf"
+];