How To Reduce The Amount of RAM Firefox Uses For Its Cache

1. Type “about:config” (the double quotes should be avoided) in the url of the browser.
2. Find “browser.sessionhistory.max_total_viewer”
3. Set it’s value to “0″.

Reduce RAM Usage To 10MB When Firefox Is Minimized:

1. Open Firefox and go to the Address Bar. Type in “about:config” and then press Enter.
2. Right Click in the page and select New – > Boolean.
3. In the box that pops up enter “config.trim_on_minimize”. Press Enter.
4. Now select True and then press Enter.

After you are done with this then don’t forget to restart Firefox. Also Place comments about your experience and more haks if you know