Also http://detectportal.firefox.com. And http://neverssl.com was set up for this purpose while being a bit easier to remember :)
Also http://detectportal.firefox.com. And http://neverssl.com was set up for this purpose while being a bit easier to remember :)
I remember a while back neverssl.com would happily serve HTTPS requests! Another good alternative is http://httpforever.com/