Applications News 8 hacks to make Firefox ridiculously fast

techradar.com is giving us 8 hacks making Firefox browsing even faster. I applied them and I could easily spot the difference.
Give it a try...
Myself I tried the following modifications:
It all starts with typing about:config in the address bar in Firefox.

Find network.http.proxy.pipelining and double click to change value to "true".
Find network,http.pipelining.maxrequests and double click and change value from 4 to 8.

Make new entries to about:config
Right click mouse and new--> integer type in: contenct.switch.threshold -ok- 250000- ok
Right click mouse and new--> integer type in: browse.cache.memory.capacity -ok- 65536- ok