The good casino sites are those which also offer a demo version for people to practice their game without the need to play with real money. For some people this could be enough fun and also a risk free way to experience the thrills of some of their favourite games. One more thing to check on an online casino is whether the data transfer is really good. Often if it is not fast enough, it could become quite annoying. Lastly, it is good to sign up for those sites which are offering incentives like an initial bonus.