Board Thread:General Discussion/@comment-24731122-20150527124339/@comment-126761-20150527141745

^ Just to confirm, we believe this is correct. We use a feature called 'socket.io', and it looks like they made a mistake on their end, failing to renew their security certificate - other sites around the web will have been affected by this too.

I'll endeavour to post any updates on http://community.wikia.com/wiki/User_blog:Rappy_4187/Technical_Update:_May_25,_2015#comm-848311