Total exercises taken in last 14 days (all users)
Interactive Programming Courses
Perl: 230,270 exercises delivered
PHP: 322,203 exercises delivered
Ruby: 133,510 exercises delivered
Python: 323,867 exercises delivered
SQL: 147,484 exercises delivered
Web Development Courses
CSS: 43,700 exercises delivered
HTML: 94,434 exercises delivered
Javascript: 175,007 exercises delivered
jQuery: 27,789 exercises delivered
XML: 8,904 exercises delivered
