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Contributr
Great post. I have one that I mentioned in my post about security tips for Firefox. It changes the address bar to give a better indication that https is being used:

http://blogs.techrepublic.com.com/security/?p=1501
Are your eyes getting tired and out of focus some times? Go to browser.display.focus_ring_width
and change the integer to any size you like. The ring_focus is the dotted border around a link. I like it big so I can see which link has focus from 5 feet away and set it for 5 pixels wide.

IF you have trouble finding where the focus is on a page, try this one.

Interested Amateur
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deleted
kdharani Updated - 15th May 2009
deleted
Is there a way to configure FF 3.0.10 to give a visual indication when it's in offline mode? In IE the title bar adds [Working Offline] and the status bar show a symbol representing a broken connection. Does FF do something similar, or can it be configured to do that?
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Page Rendering
arjaym 7th May 2009
Thanks Jack!

----

Here are some useful hacks for Page Rendering;

user_pref(?nglayout.initialpaint.delay?, 0);
user_pref(?content.notify.ontimer?, true);
user_pref(?content.interrupt.parsing?, true);
user_pref(?content.notify.interval?, 100);
user_pref(?content.notify.threshold?, 100000);
user_pref(?content.notify.backoffcount?, 200);
user_pref(?content.max.tokenizing.time?, 3000000);
user_pref(?content.maxtextrun?, 8191);

If you want lots of information about:cofig hacks, you can check it here.
http://www.tweakfactor.com/articles/tweaks/firefoxtweak/4.html

Regards!
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Page rendering
zclayton2 11th May 2009
8 tweaks that give not a clue as to their effect. Yes, I want to buy a pig-in-a-poke.
They may be wonderful, we just wonder.
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OLD!!!
emtstephen@... 20th Jul 2009
did you realizer these tweaks referenced at tweakfactor are from 2004. Just a note.
I tried the speed up FireFox options on version 3.5.2 and got doomed. Just now reset them and everything's back to normal.
Very handy,thanx.U 4got the 's' on extension in'extension.getAddons.maxResults'.Good job otherwise,is for people like myself that copy/paste
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No. 8 is actually: extensions.getAddons.maxResults rather than: extension.getAddons.maxResults

grin
Awesome 'hacks' though..
The back button code in my Firefox now says 2; not 0 or 1.
Back button works as "open previously opened page on this tab"; what does "up a page" mean compared to "go back one page"?
2 for browser.backspace_action makes the backspace key do nothing for me...basically disabling it for page control.

0 is the same as using the Alt-LeftArrow key...view the web page you were on previously in the current tab.

1 is the same as using the PageUp key...it goes 1 browser window up on the page.
The view source setting hasn't been honored since FF2.
I believe what is meant is 'up a page' means scrolling up one full page of your monitor height and 'back a page' means to return to the previous page you were reading.

Clear as mud, right? LOL.

Interested Amateur
The "View Selection Source" does not work with a replacement viewer but the "View Page Source" (Ctrl-U) on the menu does. Firefox v3.0.10.
Wow, this is very useful. Thanks!
Where you configure your browser the way you like it, not Microsoft.

If you want a real treat, download this year's Mandriva distro (distribution or OS (operating system)). If you can click a mouse about 10 times, you, too, can be a geek using Mandriva.

The people who coded Mandriva did so with people like you and me in mind. They tried to make the terminology Microsoft-centric for easier understanding.

I only know Win ME and XP so it's been a learning curve, but a pleasant journey just the same. The open source concept is a little strange at first, but once you realize that the computer is yours... not Microsoft's, you'll find starting up your machine a pleasurable experience more and more.

I use a folder of flower pictures as a pps. for my desktop background. The pics are set to change every 60 sec. If you're a mom or dad, you could use a folder of your kids' pics in a presentation.

I have 'programmed' my mouse to Restore/Maximize a window by putting the pointer over the Titlebar and rolling the wheel one, single click to switch between the two sizes. What a help looking between a few windows displayed on your desktop... especially when copy/pasting.

Anyway, my point is that this is a free, easily understood download and you'll kiss me in the morning for telling you. Go for it.

Interested Amateur
Great article; thanks so much for opening my eyes to "about:config". When I was exploring this file I noticed that I have +- 50 lines for the "Stumble-upon" add-on. I no longer have that add-on. How do I remove this info from the config file? Thanks so much.
Are you nuts? Disable Antivirus? You are just asking for trouble. If you worked for me and suggested this, I would fire you!
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A little knowledge is dangerous!
elgeebar Updated - 13th May 2009
You are a classic example of "a little knowledge is dangerous"!

You'd fire the guy based on the headline... what a prat!

If you had bothered to read what he actually wrote, the file's get scanned twice, once when downloaded by Firefox and once on the file system. Why waste time and resource doing it twice? Oh but of course that's what pointy headed bosses do!
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It depends
Ocie3 Updated - 13th May 2009
Whether a downloaded file is scanned twice in succession depends upon the anti-malware software that is running and how it is configured. That is probably why Firefox is configured to scan downloads for malware just after the file is downloaded, which is a good feature since my computer runs Sunbelt Software VIPRE. VIPRE has "active protection" but as far as I can determine it doesn't automatically scan downloaded files.
The user can select the file via Windows Explorer and choose to scan it with VIPRE via the context menu.
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I would like to change the way Firefox displays bookmarks. Currently they are displayed descending. I would like them displayed similar to the way Maxthon 2 displays them. By columns and with the website icon shown. The about:config does have a setting for bookmarks, but I'm not sure what other value to enter. Thanks. mike.sirianno@gmail.com
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about:config (tab size)
jwildhair Updated - 13th May 2009
browser.tabs.tabMaxWidth;100

makes all your tabs the same size so you don't have to move the cursor to close out multiple consecutive tabs/get to the 'X', provided you start from the left.
Use Ctrl-F4. It doesn't depend on the tab size to make closing easier and it doesn't have to start from the left side only but you do have to have the tab to be closed currently active.

Closing a tab using ^F4 makes the next tab to the right active. If you close the very last tab on the right then the next tab to the left will be active.
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In my Firefox setup, I have no less than 8 files named "prefs.js" in different directories. Which one is the one to backup as a fail-safe?
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C:\Documents and Settings\user\Application Data\Mozilla\Firefox\Profiles\*********.default is the location shown in the video.
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Tip 1
mcamire1@... 13th May 2009
Number 1 slowed my browser to a crawl.
I reset all the speed up hacks and I am back to normal.
Great list! Very helpful.

Is there a way to disable 'Work Tools' toolbar from loading by default? I'd like Firefox to start without it and let me decide when to use it.
Can you not use VIEW - TOOLBARS and UNCHECK the toolbar you don't want to view? Simply follow the same steps and CHECK the wanted toolbar to enable the same.

HTH!
C-bug
Note: this only works when all instances of FF are closed. But pretty handy:
Search for 'retention' and find: browser.download.manager.retention. set the integer value to 1 (default is 2=keep; 0=don't keep anything).
Which prefs.js file do I backup? I assume the biggest one which is also the latest one. But I don't want to go into this without being sure.
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There are 2 Pref. files in Program Files > Mozilla > Firefox/... One is for security.

Be careful!!! These files open in a Text Editor like MS. Notepad. Any changes you make are permanent. If you are unsure about making a change, write down what you are changing as a backup so you don't forget.

Of course, the beauty of open source is if you screw up you can always re-load FF... LOL.

Interested Amateur

Make these changes in about:config and make he awesome bar even more awesome. http://fefoo-tips.blogspot.com/2009/07/firefox-awesome-bar-made-even-more.html
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I applied the first config hack to Firefox 3.5 and, while I didn't have any problems on my office network, at home only parts of pages would load and the browser would just spin, trying to load the rest, but never succeeding. Once I restored those prefs back to the defaults, everything works again. Anyone else have this experience with 3.5 (or any version)?
As far as I'm concerned, ff3+ is the slowest browser in history. How did this happen?

I think the way in which the security features have been added is forcing my to go back to v2!!

This is plain pathetic, as they keep changing what used to work and forcing us to hack them all the time.

NOT GOOD ENOUGH
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I get the same experience in 3.* as in 2.*

There is one thing I did and that is I have "clear cache on exit" on. I guess if you have a good broadband connection it's speedier to download content than have FireFox spend time to check the online content against the cache. The culprit may be the way FireFox stores cached pages.

Well I don't know, I may be naive, but this works.
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Yes, I had the problem and didn't realize that this tweak WAS the problem, because I also had an ISP outage around the same time and attributed the subsequent crawling browser to them poor guys.
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Hack #10 is really unnecessary. Firefox has a built-in keyboard shortcut for going back or going forward. Simply use Alt-Left Arrow or Alt-Right Arrow.
The tip to use "openintab" to open a new tab does not work.
while it is good for the end-user, it puts extra stress to web servers, if there are many user access the server like this, it will just like a DDOS in sysadmins' point of view...
I have made some changes to the about:config and about:cache area of Firefox 3.5 and 3.1 versions which have changed the huge amount of memory being used. I tweaked it to where you close a tab or window and your RAM is actually recovered and Firefox acts in normal memory range. This does take minimizing Firefox after closing a tab or a window but on testing it reduced memory use from 100,000 plus back to 35,000+. I stated 35,000+ because it varied between 35,000 to 35,653 high. Firefox start up is kept around 35 to 36,000 instead of the reports I have read of up to 100,000 on start up.

One other area is Microsoft has invaded Firefox by adding extensions or plug ins without the users consent. MS forced DRM and Net upon users. My question is, is MS now the internet police? Also, MSMedia Player hooks into Firefox even if u do not allow it. If you disable the above the next time u restart Firefox they will again be enabled. They also eat up RAM.

I checked alert me if new posts so let me know if anyone wants my Firefox tweaks to low RAM use.
Could you post the tweaks so the world can see :))
I decided to ' Roll up my sleeves' ehemm, and do this yesterday - whilst doing so , I was expecting my Mac to blow up in my face happy however , I can modestly say that it took me all of 2 minutes to do this . When I restarted the browser I was amazed to see that it's running like a Marathon runner ! and all i did basically was just follow step 1 . happy thanks ?.
I tried the "speed up FireFox" (mine is version 3.5.2) about 10 days back and my browsing experience got screwed royally. I didn't think that this tweaking could be the problem and kept blasting my 384K DSL provider (because we had a thunderstorm around the same time). The poor guys checked everything over the last few days and finally suggested that I should try a format and re-install! Ha!

Just now I had a brainwave and tried loading this very page which looked like it was on vacation. So, went in to about:config, filtered "network" and reset all the "userset" options to default and reloaded this page. And what do I see - the page came up in a flash.

Valuable lesson learned...
I made the changes to the network.http.X.X stuff and it made dealing with Google maps a problem. Not sure why it would cause the problem, but at least know this is one instance where it might not serve you well. Regardless, I still like Wallen's stuff. Keep up the good work.
nice tips. Not all of them should be used though. But some of them really are useful. Thanks! grin
Firefox 3.5.5 on Win 7 wasn't happy at all with the changes.

Made you think you had a NIC or router problem the page loads got soooooooo slow.

Nice that you can reset all the setting so much easier now, though.
C:\Users\(your name)\AppData\Roaming\Mozilla\Firefox\Profiles\as4a9x4p.default

took me a minute, but I've been looking for a way to revert back at times after some mindless tweaking late at night.
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Would the 'Moderators' of this site (or the author of this article), please get the site designers to BLANK OUT THE SUBJECT BOX, when we are adding Comments.
Most idiots (including me) don't think to enter a meaningful Subject, as there is already something present
If it is blank, the page can refuse to accept the comment until we put something there.

I don't know about you guys, but I am sure as hades, not going to click on every post, that is lacking a meaningful Subject, to see if I am interested in that comment.
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