Looks pretty typical. On this particular forum you have trackers.

Google Analytics: a free service offered by Google that generates detailed statistics about visitors to a Web site for marketers. Google Analytics makes it possible to track users across search engines, email campaigns and display advertising giving advertisers the opportunity to optimize campaigns on multiple platforms.

Quantcast: provides real-time detailed audience profiles for advertisers to buy, sell, connect and learn more about what consumers are doing online.

ScoreCard Research Beacon: arket research company that studies Internet trends and behavior. They work in conjunction with distributors and content providers to develop an anonymous, census-level analysis of Internet usage. Using data gleaned from its content provider partnerships Full Circle Studies constructs a census type view of visits to that website, which it uses to develop an understanding of broader Internet usage patterns.

All are blockable. If you click on the privacy policy page you get one more tracker along with Facebook and twitter feeds.