How to Resolve “A Web Page is Slowing Down your Web Browser” Error?

Are you using Mozilla Firefox? Facing “A Web Page is Slowing Down your Browser” Issue? No worries, many Firefox users have noticed that their web browser began to slow down. And suddenly shows an error message “A Web Page is Slowing Down your Browser.” However, by this error message users get two choices either to stop or to wait for the troublesome page. Well, at the same time, users cannot choose both options as both options don’t work. If you could exit the Firefox browser, this simply indicates that you lose your information or data and it’s not a proper and permanent way for fixing the issue. Although, few users may not be able to exit the web browser window. Since it either stops responding or freezes, regardless of several reports, Firefox has not been able to resolve the issues as it mostly arises with the latest versions of the browsers. Here is some simple method which troubleshoots “A Web Page is Slowing Down your Browser” error. The methods are illustrated below.

Steps to Resolve “A Web Page is Slowing Down your Browser” Error

Do you know this type of error messages usually occurs on the screen when users are browsing any heavy websites, or video sites like YouTube, Google Maps, and many others. Therefore, we provide you a few methods for fixing the error “A Web Page is Slowing Down your Browser.” We suggest that trying to follow all the methods sequentially until you resolved the issues. Here how to do it:

  • Clear all Site Data and Cookies.
  • Change Some Settings for Mozilla Firefox.
  • Update Graphic Card Driver.

Follow the above-mentioned methods one-by-one until you get solutions. The steps are discussed below.

Solution-1: Clear all Site Data and Cookies

A difference in the cache which is stored on the computer system and the website data could create lots of problem for users. Therefore, we suggest you clear it as soon as possible. Follow the steps to clear all the cookies and website data easily. Here how to do it:

  1. Type the given address in the URL of the Firefox “about: preferences#privacy.”
  2. Now, scroll down the page until you find the ‘Site Data and Cookies’ option.
  3. After that, press the ‘Clear Data’ option to clear all the Cookies and site data.
  4. Checkmark both cookies and cache boxes and tap on ‘Clear’ option.
  5. Once cleared all cookies and cache, reboot Firefox browser.

Solution-2: Change Some Settings for Mozilla Firefox

  1. Initially, copy the following address from the address bar of your Firefox: ‘about: config.’
  2. Hit the ‘Enter’ key.
  3. Once you press ‘Enter’ key, a warning page will automatically pops-up on the screen.
  4. From it, choose ‘I accept the risk to proceed’ option.
  5. Now, type ‘processHang’ in the search bar located on the upper side of the page.
  6. Next, two entries will display on the screen “dom.ipc.processHangMonitor and dom.ipc.reportProcessHangs.”
  7. Then, right-press on above-given entries.
  8. After that, tap on the ‘Toggle’ option and choose ‘True’ or ‘False.’
  9. Finally, reboot the web browser and carefully check that if the error resolved or not. If not, follow the next method and troubleshoot the error.

Solution-3: Update Graphic Card Driver

  1. Click on the ‘Windows + R altogether to open the ‘Run’ prompt window.
  2. In the ‘Run’ window, type ‘devmgmt.msc.’
  3. Click on the ‘Enter’ Key to proceed further.
  4. Tap on the ‘Device Manager’ option to launch it on the screen.
  5. Now, expand the ‘Display Adapters’ list appears on the screen.
  6. After that, right-tap on the graphics card driver.
  7. Choose ‘Update Driver’ option.
  8. Once done, reboot the computer system to apply all the changes.

Graccey Leio is a self-professed security expert; she has been making the people aware of the security threats. Her passion is to write about Cybersecurity, cryptography, malware, social engineering, internet and new media. She  writes for Norton security products at

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