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How to: Speed up Mozilla Firefox

How to: Speed up Mozilla Firefox

Postby gries818 » Sat Jul 15, 2006 1:45 pm

How to: Speed up Firefox

Have you been playing around with Firefox and noticed that it is not as fast as other browsers such as IE7 or Opera? There are some simple tweaks that you can enable by changing some of Firefox's advanced settings.

There are several ways you can do this:
  1. Download an extension for Firefox, such as Fasterfox, to tweak these settings for you. [easiest]
  2. Add a file to your Firefox profile folder called user.js and copy and paste your tweaks into it (Firefox must be closed). [medium]
  3. Use about:config in the Firefox browser window (see pic below) - I personally like this method the best.[hardest]

Fasterfox Configuration:

Download Fasterfox and restart Firefox. Once restarted go down to the Fasterfox logo at the bottom righthand side of the screen and hit options:
Image
Doing this should bring up the Fasterfox settings:
Image
For the best experience with Fasterfox, I recommend the Turbo-Charged setting.

For user.js:

Open up your Mozilla Firefox profile folder. In Windows XP (by default) it should be at
C:\Documents and Settings\YOUR WINDOWS USERNAME HERE\Application Data\Mozilla\Firefox\Profiles\YOUR PROFILE
If you haven't messed with Firefox profiles it should be the only folder in the Profile folder you want to click on. Open up Notepad and goto save as. Use the drop down box to select all files:
Image
Now save the file as user.js in the profile folder you have already found.

Now that your user.js file is setup up in the Firefox profile folder all you need to do is copy code:

Copy this code first into the file - no matter what (common to all configurations):
Code: Select all
user_pref("network.http.pipelining", true);
user_pref("network.http.proxy.pipelining", true);
user_pref("network.http.pipelining.maxrequests", 8);
user_pref("content.notify.backoffcount", 5);
user_pref("plugin.expose_full_path", true);
user_pref("ui.submenuDelay", 0);


You must choose the catergory that your computer best fits into and only copy that catergory of tweaks

Copy this code only if you have a fast computer and a fast internet connection:
Code: Select all
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", 8);
user_pref("browser.cache.memory.capacity", 65536);


Copy this code if you have a fast computer and a slower internet connection:
Code: Select all
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", 8);
user_pref("nglayout.initialpaint.delay", 0);
user_pref("browser.cache.memory.capacity", 65536);


Copy this code if you have a Fast computer, slow internet connection:
Code: Select all
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", 8);
user_pref("network.http.max-persistent-connections-per-proxy", 8);
user_pref("network.http.max-persistent-connections-per-server", 4);
user_pref("nglayout.initialpaint.delay", 0);
user_pref("browser.cache.memory.capacity", 65536);


Copy this code if you have a slow computer and a fast internet connection:
Code: Select all
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", 8);
user_pref("dom.disable_window_status_change", true);


Copy this code if you have slow computer and a slow internet connection:
Code: Select all
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", 8);
user_pref("network.http.max-persistent-connections-per-proxy", 8);
user_pref("network.http.max-persistent-connections-per-server", 4);
user_pref("dom.disable_window_status_change", true);


For about:config:

Open up Mozilla Firefox and in the address bar type (without quotes), "about:config" and hit enter.
Image
It should bring up a page of strings, Intergers, and Boolean settings.

You will find the process for doing about:config is similar to user.js

Note: If a string/interger/boolean does not exist then you will need to create the value by right clicking in a blank area of the screen.

Note: Find the individual entry in question by copying the whole name into the filter area in the about:config screen (minus the comma and the value behind the comma).

Change these settings first - no matter what (common to all configurations):
Code: Select all
network.http.pipelining, true
network.http.proxy.pipelining, true
network.http.pipelining.maxrequests, 8
content.notify.backoffcount, 5
plugin.expose_full_path, true
ui.submenuDelay, 0


Change these settings if you have a fast computer, fast connection:
Code: Select all
content.interrupt.parsing, true
content.max.tokenizing.time, 2250000
content.notify.interval, 750000
content.notify.ontimer, true
content.switch.threshold, 750000
nglayout.initialpaint.delay, 0
network.http.max-connections, 48
network.http.max-connections-per-server, 16
network.http.max-persistent-connections-per-proxy, 16
network.http.max-persistent-connections-per-server, 8
browser.cache.memory.capacity, 65536


Change these settings if you have a fast computer, slower connection:
Code: Select all
content.max.tokenizing.time, 2250000
content.notify.interval, 750000
content.notify.ontimer, true
content.switch.threshold, 750000
network.http.max-connections, 48
network.http.max-connections-per-server, 16
network.http.max-persistent-connections-per-proxy, 16
network.http.max-persistent-connections-per-server, 8
nglayout.initialpaint.delay, 0
browser.cache.memory.capacity, 65536


Change these settings if you have a fast computer, slow internet connection:
Code: Select all
browser.xul.error_pages.enabled, true
content.interrupt.parsing, true
content.max.tokenizing.time, 3000000
content.maxtextrun, 8191
content.notify.interval, 750000
content.notify.ontimer, true
content.switch.threshold, 750000
network.http.max-connections, 32
network.http.max-connections-per-server, 8
network.http.max-persistent-connections-per-proxy, 8
network.http.max-persistent-connections-per-server, 4
nglayout.initialpaint.delay, 0
browser.cache.memory.capacity, 65536


Change these settings if you have a slow computer, fast internet connection:
Code: Select all
content.max.tokenizing.time, 3000000
content.notify.backoffcount, 5
content.notify.interval, 1000000
content.notify.ontimer, true
content.switch.threshold, 1000000
content.maxtextrun, 4095
nglayout.initialpaint.delay, 1000
network.http.max-connections, 48
network.http.max-connections-per-server, 16
network.http.max-persistent-connections-per-proxy, 16
network.http.max-persistent-connections-per-server, 8
dom.disable_window_status_change, true


Change these settings if you have a slow computer, slow connection:
Code: Select all
content.max.tokenizing.time, 2250000
content.notify.interval, 750000
content.notify.ontimer, true
content.switch.threshold, 750000
nglayout.initialpaint.delay, 750
network.http.max-connections, 32
network.http.max-connections-per-server, 8
network.http.max-persistent-connections-per-proxy, 4
dom.disable_window_status_change, true


Hope this helps everyone get the most out of Mozilla Firefox!!!

<img src="http://www.pro-networks.org/forum/images/smiles/source.jpg">In-house, Tweakfactor.com: Firefox Tweaking Guide (page 4)
<img src="http://www.pro-networks.org/forum/images/smiles/download.jpg" border="0">Mozilla Firefox, Flock

<a href="http://digg.com/software/How_to_Speed_up_Mozilla_Firefox_2" target="_blank"><img src="http://digg.com/img/digg-guy-small.gif" border="0" align="absmiddle">Digg this Article</a>
Last edited by gries818 on Fri Nov 23, 2007 6:09 pm, edited 3 times in total.
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Postby gries818 » Tue Aug 22, 2006 2:20 am

Updated and Stickyied for user convienence :)
Image

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Postby gries818 » Fri Nov 23, 2007 6:08 pm

Update: This guide also works with Flock and I am sure it would also work with other Mozilla Firefox spin offs as well.
Image

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Postby DaveBowman » Sun May 11, 2008 8:16 pm

Been using FasterFox for ages, love it to bits.
Thanks for the guide, will try some of it on a dummy rig.
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