What makes firefox run slow

Click here to download and start repairing. We have to mention that switching to High-Performance mode will drain your battery faster due to increased power consumption, but Firefox should be working without any slowdowns. This is just a potential workaround, but few users reported that it works for them, so you might want to try it. After enabling this option, check if the problem with Firefox is resolved. Uninstaller applications are designed to remove all files and registry entries associated with the application you want to remove.

There are many great uninstaller applications, but our recommendation is IOBit Uninstaller due to the simple set-up process and ease of use. Firefox will now start in Safe Mode. If everything is working properly, it means that one of your extensions is causing this problem. To fix the issue, do the following:.

As you can see, even though Firefox extensions are rather useful, they can cause certain problems to appear, so be sure to find and remove the problematic extensions from your PC. If Firefox is slow on your PC, the problem might be a certain bug.

In most cases, Firefox will perform the update automatically, but you can always check for updates manually from Firefox. This is rather simple and in order to do that, you just need to follow steps from Solution 6. After doing that, Firefox will check for missing updates and install them. It can be quite frustrating when Firefox is running slow on Windows 10, but hopefully, some of our solutions might be helpful to you. After all, Firefox is a great web browser, but sometimes you can experience slowdowns while using it.

Our tips can be applied whenever facing general slowdown problems, but also when Firefox is lagging because you have too many tabs open or when the browser crashes. Restoro has been downloaded by 0 readers this month.

To make Firefox faster, make sure you clean the cache frequently. To optimize Firefox, be sure to keep it updated at all times. This article covers the various solutions depending on when they happen. At times, Firefox may require significant system resources to display content.

We'll show you how to fix this if this if it is happening too often. Firefox's "about:performance" page shows you what tabs or add-ons are making Firefox slow.

At times, Firefox may require significant CPU resources to display content. We'll show you options for fixing this if this if it is happening too often. Scroll down and click on the Cookies and Site Data option. On clicking the option, it will display information about the space site data, Cache, and stored cookies, are using. Step 4: Click on Clear Data. A dialogue box will appear with two options to choose from—first, the Cookies and Site Data, and second, the Cached Web Content.

Step 5: Select the preferred option or both, if needed. Once the dialogue box appears, untick everything except Cache. Make sure that you've restarted Firefox recently. Letting your browser run for days at a time without closing it out and reopening will often cause performance hiccups.

You should restart your computer before moving onto more troubleshooting, too. Even after doing the above, you might still have a problem with the browser's performance in comparison to other browsers on your system. Let's look at what to do when Firefox is still too slow. Once you've had Firefox installed for some time, it can take too long to start up. To make Firefox boot faster, click the menu button in the top-right of Firefox and choose Options.

You can instead enter about:preferences in the address bar if you want to jump there directly. With the General tab selected on the left, uncheck the Always check if Firefox is your default browser box.

Then, Firefox won't waste precious seconds to ask about changing your default browser every time you open it. Next, at the top of this list, uncheck the Restore previous session box. This prevents Firefox from loading the tabs you had open last time you used it. If you had many tabs open or were browsing a heavy page, restoring your past session could cause Firefox to start slowly. Finally, select the Home tab on the left. Instead of loading a page that takes a long time, this will always open an instant blank tab upon launch.

You can set New tabs to also open as Blank Page to reduce any drag on them too. To find the cause of the slowdown, first try starting Firefox in Safe Mode. This will make Firefox run without any add-ons or plugins. Choose Start in Safe Mode. If Firefox is running so poorly that you can't do this, hold Shift while starting Firefox instead. If Firefox runs faster in Safe Mode, the problem likely lies with one your add-ons or plugins.

To test which one it is, you can use Firefox's built-in task manager. Like the Windows Task Manager, this displays all processes running in Firefox and how much memory they're using.