OK, sorted. The https proxy still does some weird redirecting, but refreshing the page always puts you in a good state, in case anyone was worried.

On Wed, Sep 25, 2013 at 5:36 PM, Dan Andreescu <dandreescu@wikimedia.org> wrote:

Authenticating to Wikimetrics via Google is down for the moment, there was a problem with an https redirect. I'll reply when it's fixed.