Not sure why that would be at the moment, I'll take a look. about 6-12 hours ago the server was down such that what you experienced makes sense ( I don't have a "can't communicate with server" screen up yet ), but if this happened to you recently then I'll need to check out what happened.
It seems to happen again. So far I've only tried to access the site and it's slow. Reload several times and finally wait for approximately 4 minutes to load the home page (via chrome and firefox).
If this is a server problem, it might be better to choose a better server to serve users who are likely to increase in the future.