How to find out which Firefox tab is using most CPU or memory?

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Chapters
00:00 Question
00:46 Accepted answer (Score 7)
01:37 Answer 2 (Score 13)
02:01 Answer 3 (Score 8)
02:54 Thank you

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Full question
https://superuser.com/questions/263605/h...

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Tags
#firefox #memory #browsertabs

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