It seems like the domain expired.
For me it looks like: http://i.imgur.com/WAUXDTr.png
For now caskroom.github.io/search works but I didn't know about it until today and the project seems small with only 10 Github stars.
For now caskroom.github.io/search works but I didn't know about it until today and the project seems small with only 10 Github stars.