A casino online is an internet-based gaming platform that allows you to play a variety of games for real money. Some of them also offer betting on sports events and other forms of entertainment.

Online casinos are regulated by gambling commissions to ensure fairness and security. They must comply with strict rules to maintain their licenses. If a casino does not adhere to these standards, the gambling commission will take action to revoke its licence. In addition, players are protected by the fact that most reputable online casinos have SSL encryption to secure player information and transactions.

Many of the best online casinos provide a mobile-optimized version of their websites, allowing for easy access on smartphones and tablets. These sites feature the same high-quality games, secure transactions and account management as desktop platforms. Some also offer dedicated mobile apps that provide an even more comprehensive experience.

Besides offering a wide range of games, the best casino online sites often provide loyalty programs that reward you with points for every dollar you wager. These can then be redeemed for extra betting credits or complimentary gifts at brick-and-mortar casino resorts like free stays and meals.

The most popular online casino games include roulette, blackjack, baccarat and video poker. However, some sites specialize in specific categories like live dealer gaming and bingo. In any case, you should do some research to find the right site for your needs and preferences. Also, remember to check a website’s privacy policy before depositing any money.