http://www.similarweb.com/website/bbs.progrider.org Interesting that we only seem to get traffic from Bahrain; either that's a result of admin blocking all the indexing things, or everyone here blocks all referrers and tracking things.
Far more interesting is the breakdown for world4ch http://www.similarweb.com/website/dis.4chan.org If their analytics are to be trusted, then much of the traffic comes from people searching for ascii penises and how to reply on 4chan.