Seen on reddit: What large websites are running on

Seen on programming.reddit.com: What nine of the world’s largest websites are running on http://royal.pingdom.com/?p=173 Perl has a strong showing. However the selection of sites has been debated. http://programming.reddit.com/info/2vbag/comments “comments”)

The data for the table was scraped from http://highscalability.com/