Optimizing Firefox for broadband

Taken from a PC World article… 
 Open Firefox 
 Type about:config in address bar and press Enter 
 Type network.http in the filter field 
 Double-click network.http.pipelining.maxrequests to bring up the "Enter integer value’ dialog box. Enter a higher number than the default 4 : try 15 . and click OK. 
 Double-click network.http.proxy.pipelining to set it to ‘true’. 
 Right-click anywhere on the page and select New Integer . Enter nglayout.initialpaint.delay and then click OK. 
 Set the integer value to 0 (zero) and click OK again.