First is the quality and reliability of the software, quality software ensures that players will have a problem free and exciting experience. Great online casino software also has hundreds of casino games to choose from and new games are constantly being released to keep the casino fresh and innovative.
A high payout rate is also very important as it shows fair and honest operation of the casino in terms of player rewards and bonuses. The closer to or even above 100% show that a casino is playing out almost as much as they are taking in deposits.
Next and not least are bonuses or player rewards, to keep a casino above the rest they must keep offering incentives to new and existing players and these casino bonuses must be very attractive in the great casinos.
Other factors to consider when choosing a casino include: good support that is available 24/7, fast payouts without any delay tactics and a variety of banking methods for depositing and withdrawing winnings.