I have a few reports of people seeing raw html in their browser (instead of their browser interpreting it). It seems to be happen on slow connections. When this happens, if the user reloads the page, the page is interpreted correctly. Are there any server specific things that would cause this to happen? We're using Php 5.1.6 and Apache 2.2.3.
Two possible scenarios immediately come to mind:
I'll sleep on it and if any more ideas come to mind before anyone else comes up with something more concrete, I'll update my answer accordingly