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| Tweaking for Fun/Speed - Fx v4/5
Grail Knight  has gotten a rough draft of the tweaks for FireFox 4 & 5. I'm sure he will be updating it as he progress. I've added them to the left side forum menu.
Thanks GK 
The old ones can be found here »Tweaking for Fun/Speed - Fx v3 Series
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Firefox v4 & 5 Network and Rendering Tweaks
Make a backup of the Profile Folder before tweaking.
These tweaks are best applied through the use of a user.js file
which must be created by the user. Information is available at
»kb.mozillazine.org/User.js_file.
user_pref("content.interrupt.parsing",true);
user_pref("content.max.tokenizing.time",2250000);
user_pref("content.maxtextrun",8191);
user_pref("content.notify.backoffcount",5);
user_pref("content.notify.interval",750000);
user_pref("content.notify.ontimer",true);
user_pref("content.switch.threshold",750000);
user_pref("network.dnsCacheExpiration",120);
user_pref("network.dnsCacheEntries",500);
user_pref("network.ftp.idleConnectionTimeout",300);
user_pref("network.http.connect.timeout",30);
user_pref("network.http.keep-alive",true);
user_pref("network.http.keep-alive.timeout",500);
user_pref("network.http.max-connections",32);
user_pref("network.http.max-connections-per-server",16);
user_pref("network.http.max-persistent-connections-per-server",12);
user_pref("network.http.max-persistent-connections-per-proxy",12);
user_pref("network.http.request.max-start-delay",2);
user_pref("network.http.pipelining",true);
user_pref("network.http.proxy.pipelining",true);
user_pref("network.http.pipelining.firstrequest",true);
user_pref("network.http.pipelining.ssl",false);
user_pref("network.http.pipelining.maxrequests",8);
user_pref("network.http.redirection-limit",32);
Memory Tweaks (Also ref. Reducing Memory Usage - Firefox posted by FastEddie in the sidebar of this forum.
»kb.mozillazine.org/Memory_Leak
user_pref("config.trim_on_minimize",false);
user_pref("network.dns.disablePrefetch",false);
user_pref("network.dns.disablePrefetchFromHTTPS",true);
user_pref("network.prefetch-next",false);
user_pref("extensions.getAddons.cache.enable",false);
Browser Cache Tweak** Example is for a computer with 4gb physical ram. Change
the memory cache size based on your computers physical memory amount.
user_pref("browser.cache.memory.capacity",30720);
**Physical RAM Memory Cache (in KB)
32 MB 2048
64 MB 4096
128 MB 6144
256 MB 10240
512 MB 14336
1 GB 18432
2 GB 24576
4 GB 30720
8 GB and up 32768
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Users can find information on any of the above tweaks through mozillaZine Knowedge Base
and use the search box or start clicking links and reading.
»kb.mozillazine.org/Knowledge_Base
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