Interesting, Domains like connect.facebook.net or rc.rlcdn.com don't show up in the Chromium network connection list, even in an anonymous session (so that all extensions are disabled).
Found this: https://blog.disqus.com/protecting-users-privacy-on-disqus My browser didn't send a DNT header with the request though. The blogpost seems to be a bit of a joke when comparing it to the list of trackers reported by pingdom.
I see many, though certainly not all, of the same trackers there. Also yours seems to load much faster even with all the trackers.