I may be the only person having this issue but… when I sign on to the forums on a phone (iOS), desktop or laptop (OS X) in Chrome or Firefox, I can’t see the full forum webpage:
I just forwarded a response from Discourse tech support about this to @domhnallohanlon. They fixed the problem, which was related to Themes, and said they would reach out to the owners of this site.
It wasn’t browser-specific or device-specific, as far as I understand.