Seems like Google Chrome is not displaying my site according to the stylesheet.
When the page first load, it loads fine...but then it changes to raw html format towa
Do you have HTTPS everywhere + Adblock installed? If so, I've found that clicking through google search results will often produce this behavior when the main site has no, or limited https support.
I notice the same behavior, with those extensions, when I search for and click through an XKCD comic, for example.
Temporarily disabling https everywhere, or re-entering the URL without https seems to fix it for me.