Firefox doesn't display all characters on a webpage
Firefox doesn't display all the characters in web pages...usually they are symbolic links to other web pages and display as a small black box with 4 numbers/characters inside the box.......
Solução escolhida
Missing icons are usually supplied by a font that is downloaded from the server (@font-face) as you might see by little boxes that show the hex code of the characters instead.
Make sure that you allow pages to choose their own fonts.
- Tools > Options > Content : Fonts & Colors > Advanced: [X] "Allow pages to choose their own fonts, instead of my selections above"
You can check the gfx.downloadable_fonts.enabled pref on the about:config page and make sure that it is set to true (if necessary double-click the line to toggle its value).
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Type about:preferences#content<enter> in the address bar. Across from fonts and colors, press the Advanced button. On the bottom, turn on Allow Web Sites To Choose Their Own.
Separate Issue; Your System Details shows;
Installed Plug-ins
Shockwave Flash 17.0 r0 Shockwave Flash 15.0 r0
and
1Password 3.9.20 (onepassword@agilebits.com) 1Password 4.3.1 (onepassword4@agilebits.com)
Having more than one version of a program may cause issues.
Flash; Grab the uninstaller from here: Uninstall Flash Player | Windows Uninstall Flash Player | Mac Then reinstall the latest version.
Flash Player Version 17.0.0.169
https://www.adobe.com/products/flashplayer/distribution3.html
Solução escolhida
Missing icons are usually supplied by a font that is downloaded from the server (@font-face) as you might see by little boxes that show the hex code of the characters instead.
Make sure that you allow pages to choose their own fonts.
- Tools > Options > Content : Fonts & Colors > Advanced: [X] "Allow pages to choose their own fonts, instead of my selections above"
You can check the gfx.downloadable_fonts.enabled pref on the about:config page and make sure that it is set to true (if necessary double-click the line to toggle its value).
Thanks for the solution! This has been bugging me for months and you solved it.