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2007-02-13
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Mozilla Firefox is a fast, full-featured web browser that makes browsing more efficient than ever before. Firefox includes pop-up blocking, a tab-browsing, integrated Google searching, simplified privacy controls that let you cover your tracks more effectively, a streamlined browser window that shows you more of the page than any other browser and a number of additional features that work with you to help you get the most out of your time online. Version 2 features an updated theme and user interface, built-in phishing protection, enhanced search capabilities, improved tabbed browsing, and inline spell checking.
Mozilla Firefox provides 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.
There are a few tricks to speed up Firefox. Check them out below:
1. Open Firefox.
2. Type about:config in the address bar and press Enter.
HTTP PIPELINING
HTTP is the application-layer protocol that most web pages are transferred with. In HTTP 1.1, multiple requests can be sent before any responses are received. This is known as pipelining. Pipelining reduces page loading times, but not all servers support it.
In the filter bar type network.http.pipelining. Make sure under the value field is says true. If not double-click to set it.
Return to the filter bar and type network.http.pipelining.maxrequests. Double-click this option and set its value to 8.
HTTP PROXY
Go to the filter bar and type network.http.proxy.pipelining. Once it opens double-click it to set it to true.
DNS
IPv6 was designed in part to solve the problem IPv4 will soon be facing: the exhaustion of all possible IP addresses. Mozilla implemented IPv6 support in early 2000, but that support did not receive widespread testing until recently as IPv6-capable OSs and network software/equipment became more common.
One particular bug that has appeared exists not in Mozilla, but in IPv6-capable DNS servers: an IPv4 address may be returned when an IPv6 address is requested. It is possible for Mozilla to recover from this misinformation, but a significant delay is introduced.
Type network.dns.disableIPv6 in the filter bar and set this option to true by double clicking on it.
CONTENT INTERRUPT PARSING
This preference controls whether the application will interrupt parsing a page to respond to UI events. It does not exist by default.
Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Boolean from the pop-up menu.
Enter content.interrupt.parsing in the New boolean value pop-up window and click OK.
You will be prompted to choose the value for the new boolean. Select true and click OK.
CONTENT MAX TOKENIZING TIME
Rather than wait until a page has completely downloaded to display it to the user, Mozilla applications will periodically render what has been received to that point. This preference controls the maximum amount of time the application will be unresponsive while rendering pages.
Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter content.max.tokenizing.time in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 2250000 and click OK.
CONTENT NOTIFY INTERVAL
This preference specifies the minimum amount of time to wait between reflows. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter content.notify.interval in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 750000 and click OK.
CONTENT NOTIFY ONTIMER
This preference specifies whether to reflow pages at an interval any higher than that specified by content.notify.interval. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Boolean from the pop-up menu.
Enter content.notify.ontimer in the New boolean value pop-up window and click OK.
You will be prompted to choose the value for the new boolean. Select true and click OK.
CONTENT NOTIFY BACKOFFCOUNT
This preference controls the maximum number of times the content will do timer-based reflows. After this number has been reached, the page will only reflow once it is finished downloading. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter content.notify.backoffcount in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 5 and click OK.
CONTENT SWITCH THRESHOLD
The user can interact with a loading page when content.interrupt.parsing is set to true. When a page is loading, the application has two modes: a high frequency interrupt mode and a low frequency interrupt mode. The high frequency interrupt mode interrupts the parser more frequently to allow for greater UI responsiveness during page load. The low frequency interrupt mode interrupts the parser less frequently to allow for quicker page load. The application enters high frequency interrupt mode when the user moves the mouse or types on the keyboard and switches back to low frequency mode when the user has had no activity for a certain amount of time. This preference controls that amount of time. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter content.switch.threshold in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 750000 and click OK.
NGLAYOUT INITIALPAINT DELAY
Mozilla applications render web pages incrementally - they display what's been received of a page before the entire page has been downloaded. Since the start of a web page normally doesn't have much useful information to display, Mozilla applications will wait a short interval before first rendering a page. This preference controls that interval. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter nglayout.initialpaint.delay in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 0 and click OK.
UI SUBMENU DELAY
This preference controls the time a menu takes to open a sub-menu. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter ui.submenuDelay in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 0 and click OK.
PLUGIN EXPOSE FULL PATH
This preference shows full path to plugins in about:plugins. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Boolean from the pop-up menu.
Enter plugin.expose_full_path in the New boolean value pop-up window and click OK.
You will be prompted to choose the value for the new boolean. Select true and click OK.
BROWSER CACHE MEMORY CAPACITY
When a page is loaded, it can be cached so it doesn't need to be rerendered to be redisplayed. This preference controls the maximum amount of memory to use for caching decoded images and chrome (application user interface elements). Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
Enter browser.cache.memory.capacity in the New integer value pop-up window and click OK.
You will be prompted to enter a value. Enter 65536 and click OK.
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| billy says: |
00:00 / 00 0000 |
It worked!!!Thanks a lot!
| josh says: |
00:00 / 00 0000 |
Works great. Lightning fast.
| jb says: |
07:53 / 28 feb 2007 |
Excellant!! Thank you very much!!
I was skeptical at first but decided to give it a try and I am sure glad I did!!! It's amazing what a difference this made.
Excellent, very pleased with results, just need someone clever to write an executable script for Mac
| awan says: |
09:01 / 07 mar 2007 |
thnxx..it helps a lot. üüü
Thanks for your time on this
WOW!!!!! Its working, Mind Blowing,Great job.
| mozila says: |
14:56 / 28 mar 2007 |
There is a manual that gives more complex instructions for more advanced speed up( eg for users who have fast connection and slow computer): http://www.mozila.pl/firefox-speed-up.htmlIt much more than just regular firefox speed up.
Complete Firefox Speed up: http://www.mozila.pl/firefox-speed-up.html
wow ... this worked great despite my initial doubts.
thanks man...uve done a great job..!! cheers..!!
| Mozman says: |
02:20 / 15 apr 2007 |
yeah! it works and Firefox rocks. get it from http://www.mozila.com.pl
"Speed up" programs may be nice, but so much better to enter items in manually, and even better when there is a good explanation to go with it.
| mozila says: |
04:12 / 18 apr 2007 |
excellent! just get Firefox http://www.mozila.com.pl
| Nick says: |
04:26 / 16 jun 2007 |
Excellent! Firefox is very fast now. THANKS GREAT WORK!
Works very well on my slow Compaq Presario Pentium 3 laptop
| kutti says: |
12:37 / 29 jul 2007 |
Is it OK to set the network.http.pipelining.maxrequests value to 30 or even higher values.I found many websites suggesting it to be set to 30!!!!!!
| Addies says: |
12:19 / 13 aug 2007 |
Some sites loads faster and some even slower but I appreciate that you shared so good and clean way! :)
| Wade says: |
17:38 / 13 aug 2007 |
wow. that really worked. why doesnt firefox come with those settings by default?
thats a great tip. There were several on here that I haven't seen before.
| Ben says: |
14:52 / 26 dec 2007 |
Wow! those tricks really made my Firefox move fast! Thanks a million for posting such a useful and easy to understand article on how to speed up Firefox.
| jonel says: |
09:21 / 07 2007 |
I LOVE YOU OMG my internet is so much faster thnx
This really works well! TY
Like it, but have a problem login in on my FTP with FireFTP,dose this setting make the problem?
| gmore says: |
07:49 / 15 jan 2008 |
it's great... but is there any way to erase some value coz i made a mistake in content.notify.backoffcount i entered boolean value instead of interger.... anyone can help?
Many Thanks. It really worked for me that too on a telephone Modem based Internet connection.
| sTraTo says: |
11:47 / 28 jan 2008 |
This does work, but keep in mind that this also renders firefox more prone to crashing.
Thanks! Worked great for Firefox 3b3. I'm assuming this is what Fasterfox addon did for 2.0.
| Evena says: |
03:34 / 13 mar 2008 |
Sorry, but when I tried Right-click anywhere in the about:config window like you said, I could not find and select New and then Boolean from the pop-up menu.Can you guys please help. I don't know what you did to get everything to work but the right-click doesn't work in mine.When I select something from the filter files, it happen but anywhere in the address window and nothing happened. What should I do now? Thank you
i ditched safari for firefox on my mac and this has helped me get the speed i wanted on FF. Thanks a lot!
Did apply this couple of months back and did notice an increase of speed when pulling up over 60 tabs during initial firefox startup.
| DJ says: |
15:14 / 22 mar 2008 |
This is for gmore:Find a file called prefs in the Firefox profiles (under documents and settings), open this file in Notepad and make the correction.
I've tryed every possible way to speed up Firefox and fix the memory leak problem, but I guess we should just wait for the offical version 3 for real improvements.
What is the side effect or disadvantage if I use this in the office LAN
| Sharon says: |
04:20 / 30 apr 2008 |
This works and was so easy to follow and do. My internet is much faster and as I live in the countryside and can't get the faster download speeds every little helps. Thank you very much.
| Spooks says: |
08:15 / 10 jun 2008 |
Mate, thank you :-)
incredible! super fast! wow!
Great stuff.Firefox rips now.If you make a mistake like I did,simply right click the item you need to change,select reset and re enter the correct value,boolean,integer,etc.Looking for the perf file did not work for me
| Don says: |
03:30 / 04 jul 2008 |
again a very useful tutorial man. keep it up :D
| Bob says: |
02:29 / 21 jul 2008 |
Thanks alot :D
| mike says: |
03:50 / 21 jul 2008 |
these settings work great with FF3.0 btw
| Pomroy says: |
04:41 / 22 jul 2008 |
This is full of win. Good job, OP.
this worked a treat for me, thanks
| Caleb says: |
12:06 / 22 jul 2008 |
thanks man this really helped out alot especially since i use dial up thans for sharing.
| mark says: |
18:15 / 26 jul 2008 |
Thanks a lot, makes FF3 usable on my system
| rammy says: |
00:47 / 15 aug 2008 |
Oh! Wow! Thank!!!!
| bizlil says: |
02:59 / 15 aug 2008 |
oh!it's workthanks.
| bizlil says: |
03:01 / 15 aug 2008 |
what about side effect?firefox it's work for long time?thank again
Use full trick, thanks.
Excellent!! this worked great to fast.Thank you very much.
| Carlos says: |
13:53 / 19 aug 2008 |
wow... this really worked.I'm pleased with the results! :)thank you so much for your time on this!
| bizlil says: |
03:20 / 21 aug 2008 |
thanks guyit's work.
| theme says: |
10:12 / 21 aug 2008 |
thanks a lot
| judhai says: |
12:32 / 21 aug 2008 |
Thanks a lot
Thanks a lot, it's really work. :)
| Denis says: |
02:12 / 03 sep 2008 |
I have tried this procedure, and I'm totally thrilled with the results. There is a difference when you change web pages.Thank you for this great procedure..
