http://www.tagesschau.de/ (German news site)

http://developer.android.com/about/versions/android-4.2.html

They look good for some time. But suddenly they will be ugly or unreadable with Webfonts. Without Webfonts they look ok.

I should mention that I have the Ghostery Add-on installed. But when I switch it off, the problem occurs also. The fonts are not always unreadable. Often they only change the style after restart of Opera (and deleting cookies, chache & co.), e.g. very small, bold or italic.

My cache and cookies are deleted on closing Opera. I think this "last resort" is needed to get readable webpages at least. Even the fonts were readable, they were often too small or heavy pixeled sometimes.

Thanks for your answers. I think/hope switching off Webfonts is the best solution. It looks more stable now.

Thanks. Both is checked and has not been changed at any time.

Forgot: Opera 12.17, Win 7 x64

For some sites the fonts change every time I start opera.

Sites become unreadable sometimes:
[](http://www.directupload.net/file/d/3787/i3wg5i56_png.htm" target="_blank)

What's the reason for this? It works for some days after a fresh installation (Pendrive). But then the fonts become unstable. How can I prevent Opera from doing this? Thanks a lot!