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Optimizing Firefox 3 Hacks And Tweaks

Updated on March 21, 2012


Previously I was using Firefox 2 and was happy with its performance. Then I downloaded the latest version on world download day. More than 60 million downloads are done till now. Earlier I used to tweak my browser to optimize it for the best performance. Now I am experimenting with the possibilities of the latest version. I am sharing them with you here. However I am a little disappointed with the extension compatibilities of the latest version. I guess I will need to re-install most of the extensions I was using with the earlier version. Its a pain considering the fact that most of those extensions do not have an updated versions for Firefox 3. I also found out what more I can do with the latest firefox, and then thensome easter eggs too! I hope these tips, tricks, hacks and tweaks will help you in optimizing the browser to suit your needs.

Firefox 3
Firefox 3

Optimize Firefox 3

As I was trying to tweak Firefox 3 to suit my needs, I realized that it is more cutomizable and user friendly than the previous version. I used the 'about:config' to do most of the tweaks. If you want to them please take a back up of your settings first, so that you can revert back, if you don't find the hacks and tweaks useful for you.

Firefox 3 Hacks And Tweaks

The following tweaks are obtained by typing about:config and then modifying the page. Make sure you take a back up copy just in case something goes wrong. Here are some of the hacks for the experimentally oriented.

Step one: Type about:config in the address bar and hit enter

Step two: Make the following modifications to the file by typing in the values on the respective fields to get the desired result (feel free to experiment)

1. To enable/disable Single Click Select URL of address bar

browser.urlbar.clickSelectsAll = True 
browser.urlbar.clickSelectsAll = False

2. To auto Complete URL while typing in the address Bar


3. To set the number of auto complete URL in the address bar

browser.urlbar.maxRichResults = #

(# indicates the number of auto complete URLs shown. The default is 12)

4. To disabler Browser Toolbar Tip = False

5. To paste copied content by clicking the center button on the mouse

middlemouse.paste = True

6. To disable blinking text

browser.blink_allowed = False

7. To create a single close button to for all Firefox Opened Tabs.

browser.tabs.closeButtons = 3

8. To increase number of recently closed tabs.


9. Right click view source in your editor

view_source.editor.path= Path of Editor 

10. To enable fast scrolling across tabs

toolkit.scrollbox.scrollIncrement =75

11. To stop displaying website icon in address bar and on the tabs = False

12. To enable spell check in text fields

layout.spellcheckDefault = 2

13. To speed up the browser

network.http.max-connections 30 to 96
network.http.max-connections-per-server 15 to 32
network.http.max-persistent-connections-per-server 6 to 8
network.http.pipelining false to true
network.http.proxy.pipelining false to true
network.http.pipelining.maxrequests 30 to 8
network.http.pipelining.ssl false to true
network.http.proxy.pipelining false to true

14. To disable annoying browser behavior

Change the followowing values to 'false'


15. To show more tabs on single window

browser.tabs.tabMinWidth = 75

16. To display search results in new tab

I have used many of the above about:config hacks with Firefox 2 before and it is working for the new version as well. If some thing goes wrong after applying these changes, restore your about:config to older setting.


Using Software to Fine Tune Firefox 3

People will be coming out with more helpful hacks, useful tips, tweaks and tricks soon. FireTune is a simple freeware utility that will help you to fine tune Firefox 3. It is meant for tuning network related settings and is done with respect to your computer speed and Internet speed. This saves your lots of time which you would waste while doing this optimization manually. Click here to download this utility. If you feel that the changes done with Firetune are not upto the mark then you can always revert back to your original settings.

How to Easily Save All Images and Media Files

One other interesting feature I have fond in Firefox 3 is that you can easily save all media and image files. To do this first you need to click on the site identification button sitting just left to the address bar. A “Manage Information” Button will pop up. Click on it and you will see another popup with lot of options. Select the Media Option. Here you can see all the images and other media files availble in that web page. Select any or all, then click on the Save As button. This will ask you to specify a folder where it will save all the media and image files.

I am also using flashblock extension which blocks all annoying video and flash contents and help the pages to load faster. Interclue is another useful add-on I have installed, which helps me see less and know more, click less and do more, and warns me of dangerous sites.

Firefox 3 Easter Eggs

Like most of all other softwares, Firefox 3 is also carrying easter eggs!

To see the first easter egg in Firefox 3, type about:Mozilla in the address bar and hit enter. You can see the following text appear on the screen, (white text in maroon background). "Mammon slept. And the beast reborn spread over the earth and its numbers grew legion. And they proclaimed the times and sacrificed crops unto the fire, with the cunning of foxes. And they built a new world in their own image as promised by the sacred words, and spoke of the beast with their children. Mammon awoke, and lo! it was naught but a follower.

from The Book of Mozilla, 11:9 (10th Edition)"

To see the second easter egg type about:robots into the Firefox 3 address bar. The following will appear!

"Welcome Humans!

We have come to visit you in peace and with goodwill!

* Robots may not injure a human being or, through inaction, allow a human being to come to harm.

* Robots have seen things you people wouldn't believe.

* Robots are Your Plastic Pal Who's Fun To Be With.

* Robots have shiny metal posteriors which should not be bitten.

And they have a plan."

There is a button saying "Try Again". Try it!

Do You Use Firefox?

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    • birdslover profile image

      birdslover 5 years ago from New Delhi, India

      Thanks for giving so much info about Firefox.

    • profile image

      shahad 5 years ago

      lol wow thanks

    • profile image

      Uth Video 5 years ago

      While Facebook doesn't quite allow you the same degree of profile customization that MySpace does you can still tweak the look of your personal profile and apply some really nice looking Facebook Layouts to your profiles.

    • profile image

      Red Chilli Media 6 years ago

      Thanks for your kind information about Firefox 3 , I am always use Firefox for better performance to other explorer .

    • profile image

      Abhimanyu 6 years ago

      I want to say that firfox is best browser for developers..!!

      Tone's of tricks are available..!!

      Just to see that what is new firfox 4.!

      Currently there is firfox 4 beta version..!!

      Thanx for sharing this great article..!!

    • profile image

      Gecko Academy 6 years ago

      Previously I was using Firefox 2 and was happy with its performance. i am always using firefox and thanks to sharing using tips ........... <p class="subheading" align="center">

      Animation Institute Delhi

    • profile image

      igrice 6 years ago

      How to reduce the size of memory and virtual memory?

    • profile image

      Domain For Sale 6 years ago

      I never like IE i m using it from a long time but about firetune i don't know. A Deep thanks to the writer of the article.

    • profile image

      wparena 6 years ago

      I got the power after following your tips...thanks for sharing your knowledge

    • adorababy profile image

      adorababy 6 years ago from Syracuse, NY

      I love Firefox as well. To all the users out there who are still using IE, I don't think they have realized what they have been missing out.

    • save my system profile image

      save my system 7 years ago from United Kingdom - London

      Thanks for sharing this wonderful tips and tricks. Firefox is most user friendly browser and now it will be more fun with all this up gradation. I like to perform some experiment with my browser.

    • motricio profile image

      Mauricio Rodriguez 7 years ago from Bogota DC, Colombia

      Firefox is the best browser! XD

    • profile image

      Dodi 7 years ago

      Thx SunSeven,ur the best !

    • profile image

      Wayne 7 years ago

      Thanks for taking the time to provide us with these great tips! It is nice to know there are still some giving and caring people in this world, and you are at the top of the list in both categories!

    • Avare profile image

      Avare 8 years ago

      Firefox is really awesome browser! Like it very much!

    • profile image

      mark 8 years ago

      I also use the firefox. And I&acute;m also having problems with the extensions...great

    • MissJamieD profile image

      MissJamieD 8 years ago from Minnes-O-ta

      Thanks so much for this, it helps tremendously:)

    • jasonstevens profile image

      jasonstevens 8 years ago from California, United States

      Thanks, FireFox was starting to get slow but these tips really helped.

    • creativeMind profile image

      creativeMind 8 years ago from Cochin

      FF3 is a very good browswer..I should thank you for increasing the surfing speed by your tips..

    • paywalker profile image

      paywalker 8 years ago

      Oh boy, I really started to hate FF3. Using it long time now, and finally got something that could really work for me, and who knows how many others. Thanks.

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