When playing online slots, one of the most important factors is the return to player percentage (RTP). This measure indicates how often a player can expect to win. A lower RTP means fewer big wins, while a higher RTP means bigger wins more often. You can calculate the RTP of a slot by looking at its paytable. After determining the RTP, you can adjust your bet size and click the spin button.

When selecting an online slot, it’s important to think about how much you’re comfortable spending. While online slots are free to play, some people like to invest a small amount. This way, they can build their confidence. As they gain experience, they can bet more, which will likely result in better rewards.

Another important consideration when selecting an online slot is the site’s user interface. A good site should have great graphics, a fast loading time, and a clean layout. It should also be mobile-friendly and feature a diverse selection of games. Customer reviews should also be checked to determine if a site is reputable and has a good track record. Finally, the site should have a solid bankroll management plan.

In the US, the law states that slots must display theoretical payout percentages. Moreover, a machine cannot block a jackpot until a later date. It also states that representations of real games must have similar odds to avoid cheating. Virtual reels, however, are not cheating.