Optimize your firefox Manually

Open Firefox
in the address bar insert about:config
Search for following and edit

network.http.max-connections 30 to 96

network.http.max-connections-per-server 15 to 32

network.http.max-persistent-connections-per-server 6 to 8

network.http.pipelining false to true

network.http.proxy.pipelining false to true

network.http.pipelining.maxrequests 30 to 8

network.http.pipelining.ssl false to true

network.http.proxy.pipelining false to true


Another Method
http://shinjie93.blogspot.com/2010/12/optimize-your-firefox-in-click.html



Hope Everyone Enjoys