In the last few years, a new wave of Internet-based poker sites has emerged with a focus on ease of accessibility, user-friendliness, and security for players. With this, you don't have to install software or risk third parties knowing your personal information. The most reputable sites in the UK include bet365, Paddy Power, William Hill, 888poker, PokerStars, Ladbrokes, Unibet, to name a few.