This article teach you how to release the memory to the system when you minimized firefox.
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.
