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Since Upgrade to Firefox 18, Fonts Look Blurry when Loading Pages

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Since upgrading to Firefox 18 from Firefox 17, the fonts look very blurry when a page is loading. This can be the same webpage, or a different webpage in another tab.

If the webpage loads quickly, it is difficult to see the blurry fonts. However, it is specially noticeable if I am reading an email in Gmail, and then start loading a page in the background (e.g. by middle-clicking a link in an email). The fonts of the email will become very blurry.

This does not happen if zoom is not enabled. However, obviously, I need zoom enabled as the fonts are too small otherwise.

Since upgrading to Firefox 18 from Firefox 17, the fonts look very blurry when a page is loading. This can be the same webpage, or a different webpage in another tab. If the webpage loads quickly, it is difficult to see the blurry fonts. However, it is specially noticeable if I am reading an email in Gmail, and then start loading a page in the background (e.g. by middle-clicking a link in an email). The fonts of the email will become very blurry. This does not happen if zoom is not enabled. However, obviously, I need zoom enabled as the fonts are too small otherwise.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.2 r202
  • Java plug-in for NPAPI-based browsers.
  • Google Talk Plugin Video Accelerator version:0.1.44.23
  • Version: 3.9.1.0

Application

  • User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:18.0) Gecko/20100101 Firefox/18.0

More Information

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Question owner

I forgot to mention: it does not make any difference whether I turn Hardware Accelaration on or off.

I forgot to mention: it does not make any difference whether I turn Hardware Accelaration on or off.
iamjayakumars 475 solutions 5852 answers
Check with your font options *https://support.mozilla.org/en-US/kb/change-fonts-and-colors-websites-use

Question owner

What should I check in my font options?

What should I check in my font options?
iamjayakumars 475 solutions 5852 answers

check whether its uses default font

check whether its uses default font

Question owner

I am using Verdana (16 pt), but it also happens with the default font.

I am using Verdana (16 pt), but it also happens with the default font.
cor-el
  • Top 10 Contributor
  • Moderator
13055 solutions 119587 answers

If you zoom pages then the result can always be unpredictable.

Does this only happen if you zoom the page, either will a full and with a text zoom (Zoom Text Only)?

Does this also happen with these extensions?

You can alternatively set a larger default minimum font size, but this can cause issues with overlapping or disappearing text on pages that use absolute values for container height.

If you zoom pages then the result can always be unpredictable. Does this only happen if you zoom the page, either will a full and with a text zoom (Zoom Text Only)? Does this also happen with these extensions? *Default FullZoom Level: https://addons.mozilla.org/firefox/addon/default-fullzoom-level/ *NoSquint: https://addons.mozilla.org/firefox/addon/nosquint/ You can alternatively set a larger default minimum font size, but this can cause issues with overlapping or disappearing text on pages that use absolute values for container height. *https://support.mozilla.org/kb/Changing+fonts+and+colors

Modified by cor-el

Avi11 0 solutions 2 answers

I have this problem too. I tried many settings, direct draw, hardware acceleration etc, but it does not help. The only solution for now is to revert back to Firefox 17. I wonder why there is no massive outrage on the internets. Everyone uses Gmail, right? And Gmail fonts are broken too.

I have this problem too. I tried many settings, direct draw, hardware acceleration etc, but it does not help. The only solution for now is to revert back to Firefox 17. I wonder why there is no massive outrage on the internets. Everyone uses Gmail, right? And Gmail fonts are broken too.
Awawa 0 solutions 2 answers

No, it happens with random sites for me. I never use zoom. For example, it happens on twitter, when I expand a tweet. Suddenly all the fonts become messed up. And it happens on other sites too. I tried fixes, found on the internet, but none of them worked. It seems to be some rare and dependable bug. My system: Xubuntu 12.04.1, amd64, FF 18.0.1. There is no problem on Windows, btw.

No, it happens with random sites for me. I never use zoom. For example, it happens on twitter, when I expand a tweet. Suddenly all the fonts become messed up. And it happens on other sites too. I tried fixes, found on the internet, but none of them worked. It seems to be some rare and dependable bug. My system: Xubuntu 12.04.1, amd64, FF 18.0.1. There is no problem on Windows, btw.

Modified by Awawa

Question owner

For me, the problem has been solved with an upgrade to Firefox 18.0.1.

For me, the problem has been solved with an upgrade to Firefox 18.0.1.
Awawa 0 solutions 2 answers

Nah, didn't work. That's why I'm here. I thought update will fix this bug, but now I'm sure it's not.

Nah, didn't work. That's why I'm here. I thought update will fix this bug, but now I'm sure it's not.
stratoka 0 solutions 4 answers

Hi, i have the same problem as Awawa, and i have the same system. Xubuntu 12.04.1 i686. Hope we can find a fix, don't want to move to another browser.

Hi, i have the same problem as Awawa, and i have the same system. Xubuntu 12.04.1 i686. Hope we can find a fix, don't want to move to another browser.
gstb 0 solutions 2 answers

i also have an issue with blurry fonts in linux (gentoo x86 in both firefox (compiled from source) and firefox-bin (official binaries from mozilla.org) packages). gmail in ff17 vs gmail in ff18 below:

i also have an issue with blurry fonts in linux (gentoo x86 in both firefox (compiled from source) and firefox-bin (official binaries from mozilla.org) packages). gmail in ff17 vs gmail in ff18 below:

Modified by gstb

Question owner

Strange, for me (Gentoo x86_64, stable), I only get that problem with the "firefox" package. "firefox-bin" works fine.

Strange, for me (Gentoo x86_64, stable), I only get that problem with the "firefox" package. "firefox-bin" works fine.
gstb 0 solutions 2 answers

Oh! I forgot to mention, I am using freetype-2.4.11 *with infinality patches*. Maybe that's the point.

Oh! I forgot to mention, I am using freetype-2.4.11 *with infinality patches*. Maybe that's the point.
Gene1940 3 solutions 55 answers

This is a change in FF 18, so it's not a hardware acceleration problem. By blurred I assume the original poster means jagged. At least that's what I have on a few web sites that use a sans serif font.

I do NOT want to override all site defined fonts. That ruins some web pages. The Hardware acceleration setting has no effect. I can live with the jagged fonts on the few sites affected, but it's not pleasant.

It looks like the fonts are being displayed without benefit of font smoothing. In any case it's a new "feature" of FF 18 (currently 18.0.1).

This is a change in FF 18, so it's not a hardware acceleration problem. By blurred I assume the original poster means jagged. At least that's what I have on a few web sites that use a sans serif font. I do NOT want to override all site defined fonts. That ruins some web pages. The Hardware acceleration setting has no effect. I can live with the jagged fonts on the few sites affected, but it's not pleasant. It looks like the fonts are being displayed without benefit of font smoothing. In any case it's a new "feature" of FF 18 (currently 18.0.1).

Modified by Gene1940

stratoka 0 solutions 4 answers

Found a solution. I've installed Firefox 19 beta, and all is ok for now, i hope this feature doesn't come back with the Firefox 19 release. My system is Xubuntu 12.04.01.

Edit: Switched to Debian Linux but the problem still remains with Firefox 18, the Firefox 19 beta seems to be working.

Found a solution. I've installed Firefox 19 beta, and all is ok for now, i hope this feature doesn't come back with the Firefox 19 release. My system is Xubuntu 12.04.01. Edit: Switched to Debian Linux but the problem still remains with Firefox 18, the Firefox 19 beta seems to be working.

Modified by stratoka

liucougar 0 solutions 3 answers

same with larophel here: i am using gentoo x86_64, it seems the problem only happens in my firefox (compiled from source), while in firefox-bin fonts are fine

same with larophel here: i am using gentoo x86_64, it seems the problem only happens in my firefox (compiled from source), while in firefox-bin fonts are fine
stratoka 0 solutions 4 answers

even with fox 19 beta?

even with fox 19 beta?
liucougar 0 solutions 3 answers

i only tried firefox 18.0.1

i only tried firefox 18.0.1
stratoka 0 solutions 4 answers

Try 19 beta, or downgrade to 17, until the 19 comes out, if you don't like to use beta stuff. Cheers!

Try 19 beta, or downgrade to 17, until the 19 comes out, if you don't like to use beta stuff. Cheers!