This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

After updating my Mac to Snow Leopard, some webpages in Firefox look very strange and unreadable. Why

  • 2 replies
  • 1 has this problem
  • 2 views
  • Last reply by cor-el

more options

The same thing accures when I use Safari 5.1.2. Most of the letters are mixed together or new inventions.

The same thing accures when I use Safari 5.1.2. Most of the letters are mixed together or new inventions.

All Replies (2)

more options

What you can try doing is clearing Firefox's cache: How to clear the cache.

If that does not work, try starting Firefox in Safe Mode. That will help eliminate the possibility of some sort of extension messing with your webpages.

You can also read Websites look wrong, which has a list of other solutions is those two don't work.

more options

You can do a check for corrupted and duplicate fonts and other font issues:

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

Modified by cor-el