Online poker is a casino card game that requires a mix of luck and skill to win. The best online poker sites offer a wide range of games, support multiple currencies, and adhere to responsible gambling standards. They also provide a safe and secure environment that is free from fraud and other risks. The top rated online poker sites feature fast payouts and secure deposits.

Online players use a variety of software to help them improve their game, including database programs and HUDs (heads-up displays). These tools are invaluable for poker study because they can quantify key aspects of opponents’ play that cannot be easily observed or calculated in live poker. They can also identify leaks in your own strategy and discover your opponent’s bluffing tendencies.

Some of the best online poker websites offer a range of tournament formats, from small buy-ins to high-value guaranteed prize pools. These events are designed to attract both novices and seasoned players. Often, these sites feature different types of poker, such as Texas Hold’em and Omaha, and also offer casino-style games like roulette and blackjack.

Licensed online poker platforms are required to follow strict security and responsible gaming policies to keep their customers’ money safe. They must also adhere to a set of rules and regulations laid out by their home jurisdictions. Most of the top-rated online poker sites are regulated by multiple jurisdictions, with some of them boasting European licenses from the UK Gambling Commission or ARJEL in France.