If you are getting the problem on a wamp development system, it could just be windows getting clogged up with too many requests and loosing a css request.

On chrome, use the developer window to watch/record network requests and the console to see css loads that have been missed.

If that is the issue, my personal experience is that it doesn't happen on a real server.

The website is hosted on a real linux server.

http://bit.ly/w1oYLV

Via Chrome dev-window i cant find anything suspicious, but im a beginner.

Sounds like it might just be a cache issue. Clear the site cache and your browser cache and see if that sorts it out.

I tried that a few times, but thanks anyway.

Just had a very quick look, using the Subaru page as an example.

I was not getting the content problem you describe. However, looking at your screengrabs, that content is provided by the area of the page that is covered by the iframe, not by C5. I suspect that it is a css that is being occasionally missed in the iframe, so is a problem with the server delivering the iframe.

There are some other issues with the page which may or may not be related. The developer console is giving 12 errors:

"Resource interpreted as Other but transferred with MIME type undefined."

Which means there are files being served by the web server that don't have the correct headers set. Web servers tend to be very tolerant of this sort of issue, but it mabe it is having side affects. I suspect it is some of the javascript files because some are mime type "text/x-js" while others are served as application/x-jav. I suspect that one lot is coming from C5 and the other lot coming from an iframe. This could be C5, but could be the server configuration. These should be application/javascript, though text/javascript is commonly also used.

I also suspect that Google analytics may not be loading correctly because it shows as a 404 error.

Thanks for your help.

I changed some of the file permissions in "/themes/eye/shadowbox" via chmod (755/drwxr-xr-x on directorys and files), and i think the site loads a little faster now.

Btw., the font problem happens alot more in ie8 then in chrome.