Or if you need to use paid wi-fi for free, you can always use

https://github.com/yarrick/iodine

I use http://plop.org, a whole four characters shorter!

I like that one. My domains for this purpose are: http://i.net/ and http://ip4.me/ (or http://ip6.me, if you know you have IPv6 connectivity)

But is that guaranteed to never use SSL?

http://cnn.com for me :)

Thanks! Never knew this site existed.