Release Memory When Firefox Minimized

Sometimes, user install a lot of themes, plug-ins, and extensions which will cause their firefox consume a lot of memory. It is highly recommend that user uninstall unnecessary themes and plug-ins in order to reduce the memory usage.

Normally firefox will take around 80MB of memory after you open a few tabs. But after you “realeased the memory”, it only take around 20-30MB.

Steps:

1. Launch Mozilla Firefox

2. Key in about:config in the address bar.

3. Right click at the content (anywhere) and choose New->Boolean.

4. In the textbox, type config.trim_on_minimize and press OK.

5. Set the value to true, and press OK.

6. Restart firefox to take effect.

--- extracted from internet ---