An online casino is a place where players can play real money games via the internet. These sites allow players to wager in a variety of currencies and have games ranging from video slots, table games and poker to more exotic ones like bingo and scratch-cards. These sites are becoming increasingly popular amongst people who prefer to gamble from the comfort of their homes instead of traveling to physical casinos that often have limited hours and closing times.
To make sure that a casino online is legitimate, players should look for the casino’s license. This is a certification that the site meets fixed guidelines, requirements and standards for fair gameplay. They should also look for seals of approval from independent testing bodies like eCOGRA and iTech Labs. Finally, they should check if the casino supports mobile devices and whether it offers responsible gambling measures like deposit limits, time-outs and self-exclusion options.
Besides the games themselves, online casinos should offer a variety of bonuses and promotions to attract new players. These can include free spins on slot machines, welcome bonuses, loyalty programs and recurring promotions. Some even have dedicated game tournaments that give players the chance to win big prizes.
The best casino online should offer a wide selection of gaming options to meet different player preferences. This should include a good number of classic slot games that replicate traditional brick-and-mortar machines, as well as more sophisticated titles featuring high-resolution graphics and elaborate themes. It should also have a good number of table games, with roulette, blackjack and baccarat being especially popular. It should also have a good choice of sports betting and specialty games such as Keno and bingo.