![]() ![]() Try to manage your tabs using bookmarks or a browser extension. ![]() If you often have a large number of tabs running, it will increase the CPU usage. Firefox has to store a webpage in memory for each opened tab. After it boots up again, launch Firefox again and check if the CPU usage has changed.Ĭlose some tabs. ![]() Firefox may still consume up to 100 of your CPU resources with all but one tab closed, and opening new tabs will become nearly impossible. However, CPU not being released when tabs get closed is not normal. There you can check if Firefox is up-to-date or if there's an update available. High CPU usage in Firefox occurs primarily due to parsing heavy website elements and background processes, which is normal. Open the browser’s menu and head to Help > About Firefox. Make sure you save any work first.Ĭheck and make sure you are using Firefox's latest version. Restart Firefox, as this should fix most problems. Let's take a look at the seven most effective methods.īefore you move on to more complex solutions, there are a few basic troubleshooting steps you should follow. While you should expect this during downloads or complex background processes, if you notice constant high resource usage while using Firefox, you should take a closer look.įortunately, there are a few ways you can fix this issue by changing some Firefox settings. www/firefox and www/libxul compiled with standard options except OPTIMIZEDCFLAGS disabled (caused problems in the. Firefox-40.03,1 uses over 100 of one CPU, reaches up to 200 when I am playing videos (HTML5 not Flash, normal mode, not zoomed). You may find Firefox taking up more of your system resources than it should. Seems the time for 'peripheral' problems for me. ![]()
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January 2023
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