But you can open up the hood and tweak how the browser uses computer hardware.įrom Firefox's menu, go to Options again. That's usually because the browser is being conservative with how it uses your resources to improve performance. Firefox Is Slow Even With High-End Hardwareįirefox can sometimes run slowly, even on machines with solid hardware. Keep this tab visible as you work, and you should get an idea of which add-ons use the most memory.ģ. Like the Windows Task Manager, this displays all processes running in Firefox and how much memory they're using. Launch it from the same three-line menu under Help > Task Manager. To test which one it is, you can use Firefox's built-in task manager. If Firefox runs faster in Safe Mode, the problem likely lies with one your add-ons or plugins. If Firefox is running so poorly that you can't do this, hold Shift while starting Firefox instead. To use Safe Mode, go to the menu in Firefox and choose Help > Restart With Add-ons Disabled.įirefox will restart, then display two options: Start in Safe Mode or Refresh Firefox. This will make Firefox run without any add-ons or plugins. To find the cause of the slowdown, first try starting Firefox in Safe Mode. Running the latest version helps ensure that there aren't any temporary bugs causing your speed issues.Īfter using Firefox for some time, it can start to use a lot of your computer's CPU and/or RAM. You'll learn some ways to disable unnecessary built-in features, as well as extensions that improve performance.Īlso, before you go any further, make sure you've updated to the latest version of Firefox by clicking on the three-line menu at the top-right of the screen and choosing Help > About Firefox.
If you haven't already, check out some simple ways to speed up Firefox, which covers general ways to improve Firefox's performance.
Let's look at what to do when Firefox is slow so you can get your browser back into shape.īefore we jump into the actionable steps to fix a slow Firefox installation, there are a few preliminary points to consider first. So what can you do when Firefox is running slow, even while other browsers are still fast? But sometimes, it seems like the more you use it, the slower Firefox seems to get. If you don't use Chrome, Safari, or Edge, chances are that you use Firefox.
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