Sorry for asking, but your website on controversy is down

[BradKML]

This website is down http://joezeng.com/code/upvotedownvote/upvote_downvote.html
And I am currently trying to find solutions for https://math.stackexchange.com/questions/318493/what-is-a-good-measure-of-controversy-given-a-support-score-and-opposition-sc