1) Facebook
2) Hotmail
3) Dreamlords
4) EoFF
5) Kongregate
6) MyAnimeList
7) OneManga
8) Saint Mary's University
9) Thewwarriors
10) Aeria


The rankings are slightly skewed because my friends check their Facebook/Hotmail on my laptop when they're in my room at uni. I'm actually slightly surprised by the rankings though, that list lacks porn, but has stuff I barely go to these days.