Useful Tweaks & Ways To Speed Up Firefox 4


make firefox 4 fastFirefox 4 is on the way and the beta version has been released for the testing purpose. The new version 4 of the most popular browser is stunning in looks and performance. Here are some tweaks and ways which can be used to Speed Up Firefox 4.

#1) Performance tweaks for firefox 4 to increase the browsing speed

Type “about:config” (without quotes) in the address bar and proceed by pressing the I’ll be careful, I promise button. Now in the filter field type in the following values one by one and set its value accordingly. For eg, type network.http.pipelining, you will see the corresponding value appearing below, double clicking it will set the value to true or false and if its some thing which has a value to be set, a popup window appears where you could enter the value for the field.

network.http.pipelining => true
network.http.proxy.pipelining => true
network.http.pipelining.maxrequests => 12
content.notify.backoffcount => 5
plugin.expose_full_path => true
ui.submenuDelay => 0
network.dns.disableIPv6 => true => true
javascript.options.jit.content => true

If any of the above value doesn’t appear, then follow the steps below.

For a setting with true or false value. For eg, if you don’t see the value being displayed below while typing content.notify.backoffcount on the filter field just right click on an empty space and select Boolean from New. Type content.notify.ontimer in the box and set its value to true.

creating custom tweaks value in firefox 4

The same is applicable if you are setting a integer value, except that you need to select Integer from the right click menu.

#2) Speeding Up Firefox 4 by cleaning up the SQL Data base

Firefox uses a my sql database where various values and entries are being stored during its usage. With time this get accumulated like unwanted registry entries left behind after an uninstallation in windows. So its necessary to clean the firefox 4 database once in a while.

  • For this, Press Ctrl + Shift + J in your firefox browser. You would see the error console window being displayed.
  • Click inside the code field and paste the following code and press on Evaluate.


    firefox 4 error console cleaning mysql query

  • Firefox will now freeze for some time and will be back to normal.

#3) Keyboard Shortcuts for Firefox 4

In one of my earlier posts I have created a list of 20 useful keyboard Shortcut for browsers to enhance your browsing experience and speed up your work. Check those out.

#4) Addons to browse faster on Firefox 4

Adblock Plus extension will block the advertisements you see on various websites and there by making things easier to read and enhancing your browser experience.

adblock plus for firefox 4 - Download

Install from the Firefox add-ons page


Amal Roy is the Founder-Editor of Computing Unleashed. A Technology Enthusiast, Windows Adept and a Proud Geek! | Connect with him on Google+

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    • Wow……… did exactly what u sugested step 1 –Performance tweaks for firefox 4 to increase the browsing speed— and then step 2–Speeding Up Firefox 4 by cleaning up the SQL Data base…….and it increased the speed dramaticly…..its like upgrading
      from a pedaling bike to a kawasaki Z 1000…

      ok….great site u got here bud…thanks for the tips


    • i think this one is bit faster than the old one.but there is a matter with extension manager……

    • i thought the latest version was FF 3.6.8 (as at 1st July 2010)… ?

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