FG

Is it possible to find the CPU hogging tab in Firefox?

Fresh3 days ago
Mar 15, 20261650 views
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Problem

First of all, I did my homework and found those similar questions, but they seem to cover particular firefox addons. My scenario is different: I don't run a ton of addons, but still periodically CPU usage skyrockets to 100% (I have an old single core CPU). I wonder if it is possible to see which ta…

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Fix for: Is it possible to find the CPU hogging tab in Firefox?

Low Risk

Heavy CPU usage when you're idle is usually the sign of a misbehaving website (as opposed to user actions taking a long time, which often points to a misbehaving extension). It could be a plugin, or it could be Javascript. Identifying troublesome si…

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