Here is my current list of tweaks for Speeding up Firefox:
While some of this tips at the same as before, it's a good idea to check all of these settings in your Firefox. Another Good Idea is to Keep a Copy of these tweaks for future upgrades. They Are Kept in a file called Pref.js
Firefox Tips for Speed
1. Type about:config in the address bar and then press Enter
2. network.http.pipelining > Doubleclick on it and set it to True
3. network.http.pipelining.maxrequests. > Double-click this option and set its value to 8.
4. network.http.proxy.pipelining. > Doubleclick on it and set it to True.
5. Network.http.max-connection > Change integer to value 96
6. Network.http.max-connection-per-server > Change integer to value 32
7. network.dns.disableIPv6 > Doubleclick on it and set it to True
8. security.dialog_enable_delay > Set Vale 0
9. select New and then Boolean > content.interrupt.parsing > select true
10. New and then Integer > content.max.tokenizing.time > Enter 2250000
11. New and then Integer > content.notify.interval > Enter 750000
12. New and then Boolean > content.notify.ontimer > Select true
13. New and then Integer > content.notify.backoffcount > value. Enter 5
14. New and then Integer > content.switch.threshold > value. Enter 750000
15. New and then Integer > nglayout.initialpaint.delay > value. Enter 0
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