User blog comment:Andrew Waltfeld/Can't Access Chat - (Browser reasons)/@comment-6830001-20140222004038

I don't know what you're calling "lately" but servors has been down (see other blogs) so it could explain it...

As for your browser, try to clear your cache, I'm not sure it will work but sometimes it helps and it's good to try something...

Oh and it's not wikipedia but wikia :)