Blank screen for me too. Windows 8.

hello, this is a general error on the sever-side - there's nothing you can do on your end to solve the problem at the moment. the problem is already known and getting worked upon, hopefully it will get fixed soon...

Good to know. Thanks for the update.

(Tracked in bug 838524 - Plugincheck down - doesn't check plugins)
(please do not comment in bug reports: https://bugzilla.mozilla.org/page.cgi?id=etiquette.html)

(Bugzilla seems to have issues too)

the site should now work properly again...

https://www.mozilla.org/en-US/plugincheck/