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why fonts are deformed in firefox 36.0.4 and perfect in chrome?

  • 13 Antworten
  • 4 haben dieses Problem
  • 102 Aufrufe
  • Letzte Antwort von jscher2000

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Why firefox ver. 36.0.4 (on windows 7 32 bit) has this blurry and horrible fonts while the same page is perfect on Chrome ver. 41.0.2272.101 m ? (same zoom 120%)

See attached screenshot

Angefügte Screenshots

Alle Antworten (13)

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Is your Firefox using hardware acceleration? You can check on this page:

  • "3-bar" menu button > "?" button > Troubleshooting Information
  • (menu bar) Help > Troubleshooting Information
  • type or paste about:support in the address bar and press Enter

Scroll down to the Graphics section and check the row "GPU Accelerated Windows". If the first number is 0 that usually indicates that hardware acceleration is disabled. If the two numbers are equal, that usually indicates Firefox is using hardware acceleration.

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Thank jscher2000 for your help.

I did what you wrote and this is the line GPU Accelerated Windows: 0/1 Basic (OMCT) Locked due to the version of the graphics card driver. Update drivers version 182.65 or later.

So, what next?

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I think you might get nicer font rendering if you can find an updated driver for your graphics card/chipset. Usually your system manufacturer (e.g., HP, Dell) is the safest source for driver updates, but sometimes it makes sense to go directly to the graphics card manufacturer (e.g., Nvidia, AMD).

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Too bad, there is no newer driver, I have to update laptop.

Strange that Chrome doesn't complaint ...

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My only other suggestion is a general one, which is to try the ClearType Tuner to see whether that helps. It's in the Windows Control Panel under Appearance and Personalization.

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Hi jscher2000, thanks for your help. Your solution has been already applied but it involves the whole laptop and not Firefox only. I am wondering why the same laptop (mine) shows perfect fonts when using Google Chrome and has problems when using Firefox. This is the puzzle! I understand that my laptop could be considered obsolete, but I would like using my preferred browser anyway. Best regards.

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Does this happen with all fonts or only with some fonts?

This can be a problem with the font that is used to display the text.

You can do a font test to see if you can identify corrupted font(s).

You can try different default fonts and temporarily disable website fonts to test the selected default font.

  • Tools > Options > Content : Fonts & Colors > Advanced
  • [ ] "Allow pages to choose their own fonts, instead of my selections above"
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If I open http://browserspy.dk/fonts-flash.php?detail=1 I see all fonts correctly, even Verdana, my Firefox default font.

If I disable "Allow pages to choose their own fonts, instead of my selections above" I'll see this page: http://digital-photography-school.com/how-to-mix-ambient-light-and-fill-flash-for-outdoor-portraits/ correctly, but my wordpress blog dashboard without icons (see first attachment)


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Yes if you disable "Allow pages to choose their own fonts" then you also disable icon fonts that are downloaded from internet. That is why I wrote to only use this to test fonts.

What font is used in cases where it goes wrong like in the third screenshot?

You can right-click on a web page and select "Inspect Element" to open the Inspector (Firefox/Tools > Web Developer). You can check the font used for selected text in the Font tab in the right pane of the Inspector.

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I did it and got the attached screenshot.

(btw the last line link doesn't work)

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I think I see something similar with the Sintony font.

It disappears for me when I zoom in to make the text larger.

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So eventually that font is the culprit?

Just for the records I attach a comparison, since the initial issue was FF vs Chrome.

You may still notice some difference, don't you?

Best regards

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This is what I see with hardware acceleration. (The zoom levels are odd because I've customized the Windows DPI as a compromise between a laptop screen and large monitor.) It certainly could be nicer, but seems to work better than the section of code that does not use acceleration.