This hack is used to make your Firefox even Faster! Tested by me on Firefox (version 8).
Type: about:config in the address bar
Find: network.http.pipelining and change it to true
Find: network.http.pipelining.maxrequests and type 100
Find: network.http.proxy.pipelining and make change it to true
Finally, right-click and then “New”->”Integer” and type the name: “nglayout.initialpaint.delay” and its value is: “0” (zero)
(( The results will be effective if you have installed many add-one that might load your memory. ))