3 ms·According to http://builtwith.com/xkcd.com http://builtwith.com/xkcd.com it runs on lighttpd.by lazugod 14y agoAccording to http://builtwith.com/xkcd.com http://builtwith.com/xkcd.com it runs on lighttpd.z3phyr 14y agoyeah, thats a webserver.... I am talking about the backend stuff's programming language? It appears that it was programmed using happstack.z3phyr 14y agowhats wrong with this comment?lazugod 14y agoDunno. Wasn't me.