You provide your Stackoverflow.com URL and/or the Github.com ID. g33k score calculator hits the SO and Github Web services, gets your SO reputation and Github repos+followers. If you have more than 1000 reputation on SO, then you get 100% from Stackoverflow's side. If you have more than 10 followers and repos on Github, then you get 100% from Github's side. Gems: rails -v 2.3.8 curb --version 0.7.7.1 json --version 1.4.5 More Reads: http://api.stackoverflow.com/1.0/users/231917 http://api.stackoverflow.com/1.0/help http://stackapps.com/apps http://develop.github.com/p/users.html