January 30, 2007 · General · Email This Post

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Mozilla Firefox is a graphical web browser developed by the Mozilla Corporation. Started as a fork of the browser component (Navigator) of the Mozilla Application Suite, Firefox has replaced the Mozilla Suite as the flagship product of the Mozilla project, stewarded by the Mozilla Foundation and a large community of external contributors.

Mozilla Firefox is a cross-platform browser, providing support for various versions of Microsoft Windows, Mac OS X, and Linux. Although not officially released for certain operating systems, the freely available source code works for many other operating systems, including FreeBSD,OS/2, Solaris, SkyOS, BeOS and more recently, Windows XP Professional x64 Edition.

I am providing some Very Useful Tips to speedup your Firefox.

In your location bar, type about:config

Once it Opens You should see similar to the following screen

Tip1

In the filter bar type network.http.pipelining

You should see the following screen

Normally it says " false " under value field , Double click it so it becomes " true ".

Once you finished this you should see the following screen.

Tip2

In the filter bar again and type network.http.pipelining.maxrequests

Once it Opens You should see the following screen

Default it says 4 under value field and you need to change it to 8

Once you finished this you should see the following screen.

Tip3

Go to the filter bar again and type network.http.proxy.pipelining

Once it Opens You should see similar to the following screen

Normally it says " false " under value field , Double click it so it becomes " true ".

Once you finished this you should see the following screen.

Tip4

Go to the filter bar again and type network.dns.disableIPv6

Once it Opens You should see the following screen

Normally it says " false " under value field , Double click it so it becomes " true ".

Once you finished this you should see the following screen.

Tip5

Go to the filter bar again and type plugin.expose_full_path

Once it Opens You should see the following screen

Normally it says " false " under value field , Double click it so it becomes " true ".

Once you finished this you should see the following screen.

Tip6

Now you need to Create new Preference name with interger value for this got to Right click -> New -> Integer

Once it opens you should see the following screen

Here you need to type nglayout.initialpaint.delay and click ok

Now you need to enter 0 in value filed and click ok

Once you finished this you should see the following screen.

Tip7

Now you need to Create one more Preference name with interger value for this got to Right click -> New -> Integer

Once it opens you should see the following screen

Here you need to type content.notify.backoffcount and click ok

Now you need to enter 5 in value filed and click ok

Once you finished this you should see the following screen.

Tip8

Now you need to Create one more Preference name with interger value for this got to Right click -> New -> Integer

Once it opens you should see the following screen

Here you need to type ui.submenuDelay and click ok

Now you need to enter 0 in value filed and click ok

Once you finished this you should see the following screen.

Some more Tweaks

Enable the spellchecker for inputfields and textareas (default is textareas only)

layout.spellcheckDefault=2

Open lastfm://-links directly in amarok

network.protocol-handler.app.lastfm=amarok
network.protocol-handler.external.lastfm=true
Firefox Memory Leak Fix

Open a new tab. Type "about:config" without quotes into the address bar and hit enter/click Go.

Right-click anywhere, select New, then Integer. In the dialog prompt that appears, type:

browser.cache.memory.capacity

Click OK. Another dialog prompt will appear. This is where you decide how much memory to allocate to Firefox. This depends on how much RAM your computer has, but generally you don't want to allocate too little (under 8MB), but if you allocate too much, you might as well not do this. A good recommended setting is 16MB. If you want 16MB, enter this value into the dialog prompt:

16384

(Why 16384 instead of 16000? Because computers use base-12 counting. Thus 16 megabytes = 16384 bytes. Likewise, if you want to double that and allocate 32MB, you'd enter 32768.)

Click OK to close the dialog box, then close all instances of Firefox and restart. If your Firefox still uses the same amount of memory, give it a few minutes and it should slowly clear up. If that fails, try a system reboot.

Now your Firefox will now be 3 -- 30 times faster in loading pages.

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240 Comments to “Speed Up Firefox web browser”

  1. Albert Spanfelner says:

    Your “speed up firefox” tips are dazzling. I am getting messages that my Internet Explorer 6 is obsolete, so I am considering getting Firefox. My PC is a Dell 8200, OS is Windows XP, new 1GB of memory, new 80GB harddrive, Pentium 4 CPU 1.70GHz.Firefox will be an improvment. But is it a wise choice? Will your tips work on the PC I have described? Thank you!

    [Reply]

  2. Kanna says:

    Thanq Very much, it’s working….

    Kanna….

    [Reply]

  3. Rick says:

    ?I just upgraded a Jaunty -> Karmic -> Lucid and I was bummed how slow firefox was in Lucid. I did everything in this tutorial and firefox works like it used to in Jaunty!

    [Reply]

  4. fire.for.effect says:

    awesome.

    [Reply]

  5. reko says:

    Tweak Using Pipelining method seems good but I didn’t understand the tweaking with protocol handler..

    [Reply]

  6. Travis says:

    Thanks, It also works on Windows (all versions I tested ;)) and will work on any computer.

    [Reply]

  7. Tom says:

    Thanks a lot! I used these tips on my XP Pro operating system and firefox is running faster than ever!

    P.S. lame- you’re a jackass. (lol, idiot, noob, blah blah blah)

    [Reply]

  8. Sam says:

    I used the settings you said above but still can’t find any improvement. I am using dial up connection.
    Do u know if the above settings are better than fastestfox add on ?

    [Reply]

  9. JRM says:

    I have succesfully used this method on my Windows 7 computer running Mozilla Firefox ver. 3.6.4

    [Reply]

  10. panoet says:

    I wonder why admin can approve this very very old news! Since my article about “best firefox add-ons” was not approved!!!
    So?

    [Reply]

  11. Zio says:

    @lame: But this Tut is not about SpeedUp u OS !!!

    Thanks for this ! i used it also succesfully on my win7.

    [Reply]

  12. md says:

    The tweaks made my old dell centron laptop blow my new macbook pro away.. for real

    [Reply]

  13. audacity says:

    i configured my firefox till tip 5 where one types in “plugin.expose_full_path” in the filter bar but since tip 6 involves right clickin i right clicked d empty space n did d rest dat were stated but got sth diff frm the screen shot showing what would be seen next so i stopped.what is d way 4ward pls?

    [Reply]

  14. BearFocus says:

    Hey, I tried your tips and they worked great! I’ve always been pissed when people talk about how Firefox is faster, cause it sure didn’t seem that way. But now it responds lightning-quick to my clicks. Thanks :)

    [Reply]

  15. vijaybilgoji says:

    Hey Thanx tried your tips working gre8

    [Reply]

  16. light says:

    i did as per the screen shot i hope it will work

    [Reply]

  17. kiku995 says:

    does this work on firefox 4 beta???

    [Reply]

  18. bensouici says:

    Thanks for this ! i used it also succesfully on my win7

    [Reply]

  19. mrs mint says:

    I did it run fast but no more video streaming ie utube vimeo ect…:(

    [Reply]

  20. Harsha says:

    thanks buddy. now my firefox is really fast

    [Reply]

  21. majalah says:

    I’ve got problem with FF memory leak. It makes my PC running slowly. I hope this tips can help me to solve the problem. thanks

    [Reply]

  22. Ashish kukretri says:

    thanks , its really worked….

    [Reply]

  23. cowboy says:

    @lame : u idiot, this is not OS speed up. Shut up and do ur own noobing elsewhere. u know too much about http pipelining huh ? then start ur own website and pipeline ur shit.

    [Reply]

  24. Bone says:

    You’re the best UbuntuGeek! Thanks a lot for these instructions. Surfing has become so much more enjoyable :)

    [Reply]

  25. kelch says:

    heyy thanks!! really Good! thank you

    [Reply]

  26. steve says:

    thanks solved the problem

    [Reply]

  27. WhoCares says:

    I asume that this website is strictly for Ubuntu users, so why the screenshots are from Windows?

    [Reply]

  28. tanto says:

    thanks..for your tips…

    [Reply]

  29. iowaqe says:

    Wow! Works great! I went from painfully slow to blazing fast. Thanks!

    [Reply]

  30. Jan says:

    Thanks, I got to tip 5. Then on tip 6 I did not get the result of “nglayout.initialpaint.delay user set integer 0″, my result was “plugin.expose_full_path user set boolean true”

    I tried to repeat the tip, got the same result.

    Then I went on to tip 7 where I got the same result as above again, i.e. “plugin.expose_full_path user set boolean true”

    Then tried tip 8 but got a completely different screen.

    The on “enable spellchecker”, where do I find spellchecker?

    Tried to access “about.config” again but received “unable to find server” repeatedly.

    Firefox is still browsing slow and still not responding to clicks on links in e-mails.

    [Reply]

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