F11 - Don't support. Not just for not liking Halo, but because I couldn't care less about such statistics.
And the ranking... Oh, man. If Soldat had that, we'd have an abysmal cheater epidemic, there'd not be a single server where you wouldn't find some cracker ruining the game just so he could have a slightly better number.
Not to mention, that would require passworded accounts, so you could be sure nobody used your name... And account theft... And on, and on, and on.
Just... No.