To determine whether the problem is caused by extensions, you should start Firefox in Safe Mode through the following steps: click the menu button, click Help, select Restart with Add-ons Disabled option, and finally click Start in Safe Mode button. If there are too many extensions installed, this may cause Firefox to use more system resources and then slow down Firefox's speed.
How to Allow or Block a Program Through Firewall Windows 10 5. If there is no malware on your computer, you should make sure it is not the antivirus software that blocks the access to Firefox, especially if the Firefox slow issue occurs after installing, updating, or reconfiguring your antivirus software. If there is malware, please run antivirus software to remove it. If Firefox runs slowly, you should check if your computer is infected with malwares.
In the drop-down menu, click Help button and choose About Firefox.Open Firefox and then click the menu icon at the right upper corner.In this case, you can try updating Firefox, which may fix the Firefox issue. One of the reasons why Firefox is slow is that your Firefox version is out of date. If so, you can close the Firefox and other apps, and then restart the Firefox to see whether the problem is solved. Sometimes, the reasons why Firefox is slow include that you open too many programs at the same you open too many tabs at the same time and too many background processes are running secretly. Restart Firefox, Keep Fewer Tabs, or Close Other Apps If it is Firefox that goes wrong, you can try the following methods to solve the problem.
If it is your computer that goes wrong, you should take measures to speed up your computer on the whole. If you feel the Firefox is slow, I recommend you to try another browser (like Windows Edge or Google Chrome) first, so that you can determine what goes wrong-is your computer or the Firefox browser.
If you also encounter the Firefox slow issue, please keep reading to know the reasons and get the corresponding solutions. But some users complain that Firefox is slow. Turn on Firefox Hardware Accelerationįirefox is one of the most popular web browsers in the world.