Firefox uses too much memory or CPU resources - How to fix
Learn how to reduce Firefox's resource usage for a faster, more stable browsing experience.
Last updated: 02/19/2024
Task Manager - see whether tabs or extensions are slowing down Firefox
Firefox has a feature that lets you see how much memory and CPU resources are being used by tabs, extensions and other processes. Learn more.
Last updated: 12/23/2023
Firefox hangs or is not responding - How to fix
When Firefox hangs, it stops responding to your clicks and doesn't seem to do anything. This article covers the various solutions depending on when they happen.
Last updated: 12/01/2023
Quick fixes if your Firefox slows down
The article covers the steps you can take to make Firefox run faster.
Last updated: 04/12/2021
Firefox takes a long time to start up
This article describes some causes of a long start up time and steps you can take to improve it.
Last updated: 07/07/2022
Firefox uses too many CPU resources - How to fix
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.
Last updated: 08/28/2019
Firefox does not work - Common fixes to get you back up and running
Find solutions to Firefox issues like crashing, not starting, slowness and websites not loading.
Last updated: 02/09/2022
Memory constraints, Firefox performance and Firewalls
Firefox's performance can be adversely effected by memory constraint issues. Learn how to identify memory constraint problems and solutions.
Last updated: 06/22/2013
