Github hasn't always used a seperate domain for user sites [0]. They do now to directly address the GP's concerns. http://homakov.blogspot.com/2013/03/hacking

Github hasn't always used a seperate domain for user sites [0]. They do now to directly address the GP's concerns. http://homakov.blogspot.com/2013/03/hacking-github-with-webkit.html http://homakov.blogspot.com/2013/03/hacking-github-with-webk...