Fix Firefox 3 Choppy Scrolling Via UserContent.css

2 min read
thenonhacker's avatar
By thenonhacker
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I just found a workaround that absolutely makes Firefox 3 Smooth Scrolling very very smooth and even better than Firefox 2!

- No need to install add-ons.
- No need to wait long for a fix from Mozilla.
- ALL YOU NEED is Notepad.



Fix Smooth Scrolling By Editing UserContent.css:

1. Go to your Firefox 3 profilechrome folder.

2. You should see a file "userContent-example.css".
Copy this file and rename it to  "userContent.css".

3. Open "userContent.css" in Notepad.

4. Paste the following code at the end of the file:

/* Smooth Scrolling Workaround: Disable Fixed Background Images on Pages */
body {
  background-attachment: scroll !important;
}


5. Save the file.



What to do if Mozilla Patches this Bug

After I made the changes, I restarted Firefox,
and tested scrolling on starfeeder.gameriot.com/ and www.starcraft2.com/.
They are not scrolling choppy anymore!

But sooner or later, Mozilla will patch this Firefox bug,
and we want to restore the ability for Firefox
to scroll with fixed background images.

All you have to do is:

1. Open "userContent.css" in Notepad.

2. Remove the code we pasted in Step 4.

3. Save the file and close it.



But wait, there's more!

If you want a faster and smoother Firefox 3 browser:

1. Try Reinstalling Flash. Go to Mozilla Support page, and follow the instructions in the 4th Post by Bo.

2. Install the AdBlock Plus Add-On. Not only will you scroll faster, but your pages will load faster without the ads.



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If you liked this tip, check out How to Block or Remove Ads in Yahoo Messenger, ANY VERSION.

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Comments8
anonymous's avatar
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Gyakusetsu's avatar
GyakusetsuHobbyist Photographer
I love you... This is still a valid option since the issue STILL hasn't been fixed. :frustrated:
thenonhacker's avatar
Yeah. I hope that all performance and memory issues will be drastically reduced in Firefox 4!
charlielover's avatar
Well, this seems to have worked for everyone else, but I can't seem to get it to work! Any tips?
thenonhacker's avatar
The sidebars can also contribute to scroll lag. Sidebars like Bookmark History. If you hide them, scrolling should be fast again.
ekz4's avatar
Thx for the tip!
thenonhacker's avatar
No prob! I'm glad to help.
mancub's avatar
Just thought I'd mention, if you are using Vista x64, this file is located at

C:\Program Files (x86)\Mozilla Firefox\defaults\profile\chrome
thenonhacker's avatar
Thanks for this tip! :)
anonymous's avatar
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