Bustadice has a very good statistics site where you can see a lot of information about the current status of the site, the bank roll and so on. It currently looks like this:


Source

I don't know where "only seen 3 users playing on there" came from, but I would never have noticed so few players. The chat is actually always very well filled and if you look at the "All" tab, where you can track all current bets, you will see that it is often hard to track because so many bets are made.