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Firefox slows to a crawl when viewing Facebook

  • 1 reply
  • 1 has this problem
  • Last reply by cor-el

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Firefox version 82.0.2 (64-bit) I can no longer use Firefox to view Facebook. Within minutes Firefox slows down and no longer responds. I had a similar problem previously with some builds of Firefox but not this bad. Seems like the problem is fixed in one build and then re broken in a newer build. I even get a warning from Firefox that the page is slowing down Firefox. Never seen this before 82.0.2 (64-bit). I can use Chrome, Edge or Opera just fine. The trouble is I'm a Firefox user and have been since the beta builds back in the stone age. Anyone else have this problem.


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Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window