Determine which tab in Firefox is using CPU resources?
Fresh3 days ago
Mar 15, 2026123174 viewsConfidence Score1%
1%
Problem
Is there anything in the current Firefox similar to the Task Manager in Google Chrome? (Shift + Esc) There is something that occasionally takes up enough CPU to make Firefox unresponsive - but with multiple windows, each with a dozen or so tabs open, trial & error is going to take a while.
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Fix for: Determine which tab in Firefox is using CPU resources?
Low Risk
Resource usage can be monitored with (the page). It has a shortcut Shift+Esc. (the page) was removed in Firefox 116.
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