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Where can I find the new "performance" tab to limit the amount of memory FF can use?

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I have seen this feature talked about in numerous articles last year. Where can I find it? Firefox REALLY needs this function, as does it need a "task manager" like Chrome has to help diagnose which extensions/websites/etc are hogging up too much RAM and/or CPU.

I have seen this feature talked about in numerous articles last year. Where can I find it? Firefox REALLY needs this function, as does it need a "task manager" like Chrome has to help diagnose which extensions/websites/etc are hogging up too much RAM and/or CPU.

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I found it. It's in Options>General and the Performance section is near the very bottom.

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You might also be interested in these tools:

  • type or paste about:performance in the address bar and press Enter to load it -- opinions differ on whether this is useful