This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

slow web browsing

  • 1 reply
  • 1 has this problem
  • 16 views
  • Last reply by FredMcD

more options

when shopping on sites like Tesco I get a meesage 'web page slowing browser' and the site runs painfully slow. I have looked this up but sugested fixes have not worked. Any advice? Updated windows 8 to 10

when shopping on sites like Tesco I get a meesage 'web page slowing browser' and the site runs painfully slow. I have looked this up but sugested fixes have not worked. Any advice? Updated windows 8 to 10

All Replies (1)

more options

Is this with all websites/pages, some, a few?

”Webpage is slowing down your browser” This is the new way the browser tells you there is a problem with the script program(s). https://support.mozilla.org/en-US/kb/warning-unresponsive-script?cache=no

https://support.mozilla.org/en-US/kb/task-manager-tabs-or-extensions-are-slowing-firefox


Remove History For One Site {web link}

Open the History Manager <Control> (Mac=<Command>) <Shift> H. In the search bar, enter the name of the site. Right-click on one of the listings and select Forget About This Site. This should remove all information, including any site settings