Firefox Speed Tweak
August 17, 2007This is a more in depth guide to speeding up Mozilla Firefox than some other guides. This guide was made so that any computer could become faster, not just a fast computer with a fast connection.
First, install the ChromEdit Plus extension.(Get it here: http://webdesigns.ms11.net/chromeditp.html#top) It makes it easier to edit user files.
Now, run Firefox, go to Tools > Edit User Files, click user.js tab.
Insert the following texts based on your PC speed and internet connection.
Here’s a little key:
Fast Computer is greater than 1.5Ghz CPU and atleast 512MB RAM
Fast Connection is DSL or cable or better.
Common to all configurations
These are the settings that seem to be common to all configuration files regardless of connection speed or computer speed with a couple of additions - plugin paths can be found with about:plugins and the bookmark menu delay is turned off.
/* Speed Tweak - Common to all Configurations */
user_pref("network.http.pipelining", true);
user_pref("network.http.proxy.pipelining", true);
user_pref("network.http.pipelining.maxrequests", 
;
user_pref("content.notify.backoffcount", 5);
user_pref("plugin.expose_full_path", true);
user_pref("ui.submenuDelay", 0);
Fast Computer Fast Connection
/* Speed Tweak - Fast Computer Fast Connection */
user_pref("content.interrupt.parsing", true);
user_pref("content.max.tokenizing.time", 2250000);
user_pref("content.notify.interval", 750000);
user_pref("content.notify.ontimer", true);
user_pref("content.switch.threshold", 750000);
user_pref("nglayout.initialpaint.delay", 0);
user_pref("network.http.max-connections", 48);
user_pref("network.http.max-connections-per-server", 16);
user_pref("network.http.max-persistent-connections-per-proxy", 16);
user_pref("network.http.max-persistent-connections-per-server", ;
user_pref("browser.cache.memory.capacity", 65536);
A couple settings of note - Firefox allocates 4096 KB of memory by default and in this configuration we give it roughly 65MB as denoted by the last line. This can be changed according to what is used.
Fast Computer, Slower Connection
This configuration is more suited to people without ultra fast connections. We are not talking about dial up connections but slower DSL / Cable connections.
/* Speed Tweak - Fast Computer, Slower Connection */
user_pref("content.max.tokenizing.time", 2250000);
user_pref("content.notify.interval", 750000);
user_pref("content.notify.ontimer", true);
user_pref("content.switch.threshold", 750000);
user_pref("network.http.max-connections", 48);
user_pref("network.http.max-connections-per-server", 16);
user_pref("network.http.max-persistent-connections-per-proxy", 16);
user_pref("network.http.max-persistent-connections-per-server", ;
user_pref("nglayout.initialpaint.delay", 0);
user_pref("browser.cache.memory.capacity", 65536);
Fast Computer, Slow Connection
/* Speed Tweak - Fast Computer, Slow Connection */
user_pref("browser.xul.error_pages.enabled", true);
user_pref("content.interrupt.parsing", true);
user_pref("content.max.tokenizing.time", 3000000);
user_pref("content.maxtextrun", 8191);
user_pref("content.notify.interval", 750000);
user_pref("content.notify.ontimer", true);
user_pref("content.switch.threshold", 750000);
user_pref("network.http.max-connections", 32);
user_pref("network.http.max-connections-per-server", ;
user_pref("network.http.max-persistent-connections-per-proxy", ;
user_pref("network.http.max-persistent-connections-per-server", 4);
user_pref("nglayout.initialpaint.delay", 0);
user_pref("browser.cache.memory.capacity", 65536);
Slow Computer, Fast Connection
/* Speed Tweak - Slow Computer, Fast Connection */
user_pref("content.max.tokenizing.time", 3000000);
user_pref("content.notify.backoffcount", 5);
user_pref("content.notify.interval", 1000000);
user_pref("content.notify.ontimer", true);
user_pref("content.switch.threshold", 1000000);
user_pref("content.maxtextrun", 4095);
user_pref("nglayout.initialpaint.delay", 1000);
user_pref("network.http.max-connections", 48);
user_pref("network.http.max-connections-per-server", 16);
user_pref("network.http.max-persistent-connections-per-proxy", 16);
user_pref("network.http.max-persistent-connections-per-server", ;
user_pref("dom.disable_window_status_change", true);
One of the changes made for this particular configuration is the final line where the status bar is disabled for changing web pages to save processor time.
Slow Computer, Slow Connection
We have entered the doldrums of the dial-up user
/* Speed Tweak - Slow Computer, Slow Connection */
user_pref("content.max.tokenizing.time", 2250000);
user_pref("content.notify.interval", 750000);
user_pref("content.notify.ontimer", true);
user_pref("content.switch.threshold", 750000);
user_pref("nglayout.initialpaint.delay", 750);
user_pref("network.http.max-connections", 32);
user_pref("network.http.max-connections-per-server", ;
user_pref("network.http.max-persistent-connections-per-proxy", ;
user_pref("network.http.max-persistent-connections-per-server", 4);
user_pref("dom.disable_window_status_change", true);
Another Tweak
/* Speed Tweak - Another Tweak */
user_pref("network.dns.disableIPv6", true);
This tweak deactivates IPv6 in Firefox, because most if not all of the web is still using IPv4. IPv4 and v6 are internet protocols… how the data is transferred… v4 is the standard now and v6 is slowly being implemented around the world… it wont come into full swing until 2008-2010 sadly… it’s a huge infrastructure change, but the benefits will be great.
Credited:Th3zone
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