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Why by default Firefox uses so much RAM?

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delavaca
delavaca
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I tried to use Firefox in three different computers but only in the one with over 4 GB of ram is usable. Why it uses so much RAM and renders so slow? Specially the scroll is really laggy.

I tried clean installations but they do not fix the issue.

When opening Firefox and Chrome and playing a video in YouTube, Firefox uses over 500 MB while Chrome uses less than 300 MB. Both with the same single addon.

Is there something that can be done to use Firefox in computers with less than 4 gb of RAM?

I tried to use Firefox in three different computers but only in the one with over 4 GB of ram is usable. Why it uses so much RAM and renders so slow? Specially the scroll is really laggy. I tried clean installations but they do not fix the issue. When opening Firefox and Chrome and playing a video in YouTube, Firefox uses over 500 MB while Chrome uses less than 300 MB. Both with the same single addon. Is there something that can be done to use Firefox in computers with less than 4 gb of RAM?

Keazen oplossing

Hi, yes there's a couple of things to try: You can try reducing the number of Multiprocesses: Go to the 3-bar menu > Options (General) - Performance, then deselect 'Use recommended performance settings' and change 'Content process limit' to 1 or 2. See - Firefox's performance settings, and Startup, home page, tabs, and download settings.

Whilst in the 3-bar menu, you can also go to Options (Privacy & Security) - Permissions, and tick/check 'Prevent accessibility services from accessing your browser' then restart Firefox. More - What is the Accessibility Service Indicator?

If your question is resolved by this or another answer, please take a minute to let us know. Thank you!

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lolix
lolix
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Yes, how is it possible that a single tab eats as much as 4GB ram (and counting) ?? What's in there ? 4GB !!! Garbage collector on strike ? ;-)

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