Why is HTML content missing on some websites with Firefox 13?
I just reinstalled Kubuntu 12.04 and I use Firefox 13 now. For some strange reason some HTML content isn't displayed. For example on this page, the code block after "This is test.module" is just gray: https://drupal.org/node/1331094 The same happens on other sites. I haven't been able to figure out a pattern so far.
I can confirm, that the missing content is in the source code.
Выбранное решение
Maybe there is a font problem.
The site is using a mono-spaced font for displaying content.
body {font-family:"Lucida Grande","DejaVu Sans","Bitstream Vera Sans",Verdana,Arial,sans-serif;}
Does anything get sleected if you select that part of the page with the mouse?
You can try different default fonts and temporarily disable the website fonts to test this.
- Edit > Preferences > Content : Fonts & Colors > Advanced
- [ ] "Allow pages to choose their own fonts, instead of my selections above"
You can use this extension to see which fonts are used for selected text.
You can also try to use the inspector via the right-click context menu to see if you can disable some font rules.
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Выбранное решение
Maybe there is a font problem.
The site is using a mono-spaced font for displaying content.
body {font-family:"Lucida Grande","DejaVu Sans","Bitstream Vera Sans",Verdana,Arial,sans-serif;}
Does anything get sleected if you select that part of the page with the mouse?
You can try different default fonts and temporarily disable the website fonts to test this.
- Edit > Preferences > Content : Fonts & Colors > Advanced
- [ ] "Allow pages to choose their own fonts, instead of my selections above"
You can use this extension to see which fonts are used for selected text.
You can also try to use the inspector via the right-click context menu to see if you can disable some font rules.
Additionally you could also check in Safe Mode. Safe mode disables the installed Extensions, and themes (Appearance) in Tools (Alt + T) > Add-ons. Hardware acceleration is also temporarily disabled - the manual setting is Tools > Options > Advanced > General > Use hardware acceleration when available. All these settings/options/add-ons can also be individually or collectively disabled/enabled/changed in Firefox normal mode to check if an extension, theme, option or hardware acceleration is causing issues. Disabling/enabling hardware acceleration, and some types of add-ons in normal mode may require a Firefox restart.
Troubleshooting Extensions and Themes
If the problem persists, please also check in a new profile. If the new profile is okay, you can then Reset Firefox on the old (previous) profile via Help (Alt + H) > Troubleshooting Information.
Изменено dumdidadida
Thanks for the quick reply! Indeed it seems to be a font problem. When I disallow using other fonts, the text appears as it should. I also had some font problems before, but I thought I had solved them.
What I don't understand: The fonts DejaVu Sans, Verdana, and Arial are installed - why are they not used?
You can try to use the fontinfo to see if Firefox is trying to use a not working font.
You can do a font test to see if you can identify corrupted font(s), this needs Flash to be working.
I just installed Bitstream Vera and Lucida Grande and now it works. Thanks a lot!
You're welcome