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Many Firefox 3 for Windows users are complaining that when they scroll on web pages it can be very slow and choppy. There is a way to fix this problem though.

1. Close Firefox 3 and navigate to the chrome folder. The location may vary. Mine was located at:

C:\Documents and Settings\username\Application Data\Mozilla\Firefox\Profiles\randomvalue\chrome

2. Right click the file userContent-example.css and select Rename.

3. Take out the -example to give the file a name of userContent.css.

4. Open userContent.css in Notepad.

5. Copy and paste the following code at the end of the file:

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

6. Save and close Notepad.

Now give Firefox 3 a shot. Hopefully the scrolling is quicker and smoother.

Source: Fix Firefox 3 Choppy Scrolling Via UserContent.css

9 Comments so far »

  1. by trnZ, on October 5 2008 @ 4:46 am

     

    Thanks it worked

  2. by dynovideo, on November 27 2008 @ 11:41 pm

     

    this worked for me. :)

    go to control panel. click display.

    click the appearance tab.

    click the effects button.

    unclick the box that says “Use the following transition effects for menus and tooltips:”

    make sure all the other boxes are checked, and the drop-down menu for “Use the following method to smooth edges of screen fonts:” says “Standard”.

    seems when you disable the transition effects, the problem with choppy scrolling is corrected.

    hope this helps.
    cheers!

  3. by Fred, on June 4 2009 @ 2:49 am

     

    Worked like a charm – THANXX!!!

  4. by NeoGeo, on September 18 2009 @ 11:01 am

     

    Thanks! Worked great.

  5. by Troy, on October 6 2009 @ 4:07 pm

     

    The userContent fix worked perfect; Thank you!

    Out of curiosity I also tried “dynovideo’s” solution but it had no effect on my XP system.

  6. by Daniel, on November 10 2009 @ 5:19 am

     

    Yep. Works just like you said.

    Thanks! :)

  7. by al, on December 20 2009 @ 10:29 am

     

    So the new profile method didn’t change anything for me… BUT i found that after I uncheck ‘check spelling as I type’ in the ‘advanced’ tab of the options, that FF runs much faster now, yay!

    Auto-spell check was slowing me down too much!

  8. by Firefox vs fixed backgrounds | Midnight Light, on January 4 2010 @ 1:34 pm

     

    [...] cycles while scrolling the page. Peo­ple have already pro­posed mul­ti­ple solu­tions, even one which involves mod­i­fy­ing Firefox’s Chrome files (…) but my pre­ferred one was sim­ply [...]

  9. by Sean Thomas, on February 28 2010 @ 9:55 pm

     

    None of these work at all… Please tell me of a way to fix the scrolling problem in Firefox… I did EVERYTHING you all said, it does seem faster, BUT the scrolling problem STILL exists

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