Firefox users who use often complain of memory that Firefox uses brutally. Firefox Tabs on the open 200 to 300 megabytes of memory starts to take over. The Firefox developers say they have eliminated the problem of memory leaks, but it really is not. If you are worried Firefox Shah fired the krcyun (firemin) Download the. You will be amazed to see her performance. Firefox use hundreds of megabytes of memory will be limited to a few megabytes.