Most peopl ehave spent years going to one forum, or only seeing something like the NewPosts link.
If you to go the main entrance of the forum and scroll to the bottom.
http://forum.shrapnelgames.com/index.php
it presently says
If the high point was 5 years ago and we are half of that, its not too bad as game forums go.
Of course it should be mentioned that a number of those guests are spiders from search engines. But the admins can see that. I see them on my server and their numbers are never those numbers. I feel safe in saying we have many lurkers reading but not yet interested in joining our mp games.