One thing is common among the online casino; they offer their players a lot of bonuses. Bonuses are the things, which make the online casinos more fun and exciting. If you want to know how online casinos perform, you should sign up at an online casino. Some of the common bonuses offered to the gamblers include signing bonus, cash-back bonus, and No deposit bonus. The signing bonus is a common bonus that is offered by an online casino. This is a marketing strategy to attract people to online gambling. As many players do not want to spend their own money to try out a game, online casinos provide bonus money to attract them.