There are many gambling sites. Many of them serve as dice sites.
What are the features you should have in a good gambling site?
-Good Customer Support especially when there is a serious problem
-Legitimacy
-Honest
-Secure and Private
-Have an anti-cheat system or any thing related to that
-Active even in ANN thread
-Can prove that they have a large bankroll
-Reward Program
And many more. Most of the people really loves doing gambling but they are not the one who will just play gambling in an obvious shit look site. So a success of a gambling site must came first to the effort of the admin and staff itself so that they can attract more players to play in their site.