Memory leak has become a very serious problem in Firefox. On average, Firefox should take up no more than 60MB of RAM. Any more than that and you can consider yourself a victim of Firefox’s memory leak. This guide guaranteed to work for all version of Firefox in any operating system.

Extension and themes installed in Firefox are the main reason of memory leaks. A standard install of Firefox doesn’t seems to show any memory leak issues but after installing some extensions(plug-ins/add-ons) it seems to show the memory leak issues. Basically this issue occurs due to buggy extensions. Also if you overloaded Firefox with extensions, you can expect high memory usage. Same goes for themes, don’t install too many themes. To minimizes memory issues try testing each add-ons one by one for few hours and check over their memory signature. As a result you can always find out the buggy ones and help yourself minimizing the high memory usage. You can even check this comprehensive list of buggy extensions and find out if one of your extension belongs here. Always keep your extensions updated this is another way to cope with the issue.

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