Firefox Optimization
This article shows how to greatly enhance the speed of the Firefox 2 internet browser
Enabline pipeline requests in Firefox 2

Enter "about:config" in the address bar and hit enter. 

type "pipe" or "dns" in to find the filter box to show the pipelining options.

Use right-mouse-click to set each option as shown below:
This entry has been updated to reflect the comments below:

network.dns.disableIPv6: true
network.http.pipelining: true
network.http.proxy.pipelining: true
network.http.pipelining.maxrequests: 8

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