This website has been reported as unsafe by Microsoft SmartScreen

This website has been reported to contain the following threats: •Phishing threat: This is a phishing website that impersonates a trusted website to trick you into revealing personal or financial information.

From someone using OpenDNS, I copy-paste:

Phishing Site Blocked Phishing is a fraudulent attempt to get you to provide personal information under false pretenses.

At first glance, it seems a single js file and an ogg file (for music) are added to the pag. The JS will work on the DOM from the sidelines (http://hsmaker.com/harlem-shake-script.js)

Code Meme - Awesome!