Firefox (on windows) constantly consuming 10% CPU - is there an add-in to find the rogue tab?
Fresh3 days ago
Mar 15, 2026840 viewsConfidence Score0%
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Problem
I often have many Firefox windows open, each with many tabs. Now and then one of the tabs will be running a web page that for some reason consumes lots of resources. Right now, I have a tab somewhere that is constantly consuming 10% of the CPU...which would be fine as my computer can easily handle …
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Fix for: Firefox (on windows) constantly consuming 10% CPU - is there an add-in to find the rogue tab?
Low Risk
I often have many Firefox windows open, each with many tabs. It's normal behavior to have some CPU (and a lot of memory) usage when having a lot of tabs... If you suspect too much, check for dynamic content on the web page, whether it's Javascript, …
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