If you do not need these tabs open all the time, you can close them to reduce system resources usage.įirefox hardware acceleration eases memory and CPU usage in many cases.Ĭheck in Firefox's performance settings that hardware acceleration is turned on. You can see which tabs are using the most system resources by opening the Firefox Task Manager ( about:performance page). If these scripts are not optimized, they can lead to the use of too many system resources. Some websites use scripts that use a lot of memory and/or CPU to keep them up to date, such as online mail client pages. Save web pages for later with Pocket for Firefox.Ĭlose tabs that use too many system resources.Hint: " Bookmark All Tabs" will bookmark a set of tabs. If you frequently have more than 100 tabs open, consider using a more lightweight mechanism to keep track of pages to read and things to do, such as: Please reach out to the add-on developer directly, if you need help with a specific add-on.Įach tab requires Firefox to store a web page in memory. NoScript allows you to selectively enable and disable scripts running on websites.Adblock Plus and uBlock Origin allow you to hide ads on websites.Some extensions allow you to block unnecessary content for example: See the Enhanced Tracking Protection article for details. Firefox's built-in content blocking can help save resources by preventing third-party tracking content from loading. Many web pages have content you don't need, but which still use system resources to display its content. For more information on starting Firefox in Troubleshoot Mode and on how to find which extension or theme is causing your problem, see Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.In Troubleshoot Mode, extensions and themes are disabled, so if you notice a significant improvement, you can try disabling or uninstalling extensions. To determine if an extension or theme is causing Firefox to use too many resources, start Firefox in Troubleshoot Mode and observe its memory and CPU usage. See Restore previous session - Configure when Firefox shows your most recent tabs and windows for details.įirefox may grind to a halt due to operating system issues, such as a pending Windows update, that can be resolved by restarting your computer.ĭisable resource consuming extensions and themesĮxtensions and themes can cause Firefox to use more system resources than it normally would. You can configure Firefox to save your tabs and windows so that when you start it again, you can start where you left off.
A workaround for this is to periodically restart Firefox. Update Firefox to the latest release.įirefox may use more system resources if it's left open for long periods of time. The latest Firefox version may include performance improvements. 13 Use additional troubleshooting tools.7 Close tabs that use too many system resources.4 Disable resource consuming extensions and themes.
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