So if you're a US player searching for information on top poker sites, you are in the right place. Legal US online poker is far more convenient than going to a casino if you just want to play real money online poker and don't care about making new friends. Since the advent of numerous US poker sites, online poker has become a sought-after trend. Given the popularity of poker in the US, most Americans have undoubtedly heard of 'No-limit Texas Hold 'em.' People play this game for a variety of reasons, including cash games. Poker's popularity stems primarily from its profitability. Poker is one of the world's most popular card games.