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Firefox gets slower and slower to the point where typing lags behind

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  • Trả lời mới nhất được viết bởi FredMcD

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When I use firefox, it gets slower and slower over time to the point where it's a chore just to type. And this is on a recent MacBook pro. Everything else is fast. But Firefox gets unusable. The UI should not be a bottleneck like this.

Retarting speeds it up for a while, but then it gets slow again in a few hours.

Is there some kind of profiling I can run that I can use for filing a bug report?

When I use firefox, it gets slower and slower over time to the point where it's a chore just to type. And this is on a recent MacBook pro. Everything else is fast. But Firefox gets unusable. The UI should not be a bottleneck like this. Retarting speeds it up for a while, but then it gets slow again in a few hours. Is there some kind of profiling I can run that I can use for filing a bug report?

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Normally I would say to try Firefox in Troubleshoot(Safe) Mode. But as the issue takes several hours . . . . you will have to decide.


Start Firefox using Troubleshoot(Safe) Mode {web link}

A small dialog should appear. Click Start In Troubleshoot(Safe) Mode (not Refresh). Is the problem still there?

Is the problem still there?

While you are in Troubleshoot(Safe) mode;

Try disabling graphics hardware acceleration in Firefox. Since this feature was added to Firefox it has gradually improved but there are still a few glitches.

How to disable Hardware Acceleration {web link}

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https://support.mozilla.org/kb/Firefox+is+already+running+but+is+not+responding

https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster

https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix

https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram

https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding


Start your Computer in safe mode with network support. Then start Firefox. Try Secure websites. Is the problem still there?

Starting Any Computer In Safe Mode (web link) Free Online Encyclopedia

https://www.bleepingcomputer.com/tutorials/how-to-start-windows-in-safe-mode/

https://www.digitalcitizen.life/4-ways-boot-safe-mode-windows-10/ +++++++++++++++++++++++++++++++++++++++++++++++ If the problem goes away with the computer in Safe Mode, the problem is with one of the other programs on the system.

As a test, disable your protection programs.