Speed Up Your Firefox

First in the URL bar, type "about:config" and press enter. This is the configuration menu of firefox.

Just double click on the following setting and put in the numbers below, but if doesn't there just Right-click somewhere
on the screen and add a new.

Code:
browser.tabs.showSingleWindowModePrefs – true
network.http.max-connections – 48
network.http.max-connections-per-server – 16
network.http.max-persistent-connections-per-proxy – 8
network.http.max-persistent-connections-per-server – 4
network.http.pipelining – true
network.http.pipelining.maxrequests – 100
network.http.proxy.pipelining – true
network.http.request.timeout – 300

Right-click for this code : NEW--> Integer, name it "nglayout.initialpaint.delay" and set its value to 0. This is the time of browser waits before it acts on information it receives.(Since you're broadband you don't have to wait)

Note: This setting only for broadband