To clarify things I use Windows XP, Chrome/Firefox, Adblock enabled on both.
The site just doesn't update automatically for me, so every time I have to see a change, whether in chat or a new lobby, I have to refresh every 5 seconds.
Moreover,...
Response from the site administrator
tf2center, 23.01.2014
Refreshing problem was a major bug not only for you. We have fixed it now. Can you report again, does it works well for you now?