Firefox 75 memory usage. Click Measure and save Attach the memory report to a new bug Paste your about:support info (Click Copy text to clipboard) to your bug. I'm a tab hoarder. Jul 21, 2025 · How to Fix Firefox High Memory Usage Detailed solutions to identify and resolve excessive memory consumption in Firefox, improving browser speed and system stability. One possible solution is for Firefox to automatically suspend idle tabs. If you experience substantially more usage than this, there may be a problem, or you may just be viewing pages with large amounts of data. These numbers will vary because Firefox is configured by default to use more memory on systems that have more memory available and less on systems with less. Select Settings from the menu. For me, it certainly uses more than Edge/Chrome with a few tabs open. Sep 4, 2022 · I have a small memory and Firefox is using a big chunk of it, I need to reduce its memory usage as much as possible. Disable resource consuming extensions and themes Extensions and themes can cause Firefox to use more system resources than it normally would. g1o tk7jb z8ef 1jbooamq 9c mfm8 ou8lo b41 elah urj