Caesars Sportsbook (4.9/5 stars) - Best for bonuses/rewards.Top 6 Sports Betting Sites Ranked for Odds, Promos & More Which states are sports betting sites legal in?.How to open a new sports betting account.Read on for our all-encompassing guide to the best legal online sports betting websites in the US as ranked by our team of experts. In many cases web-based online sportsbooks resemble their mobile counterparts, although sometimes the browser version offers additional features and options. We’ve considered all the markets, odds, promotions, payout speeds and other factors that make a betting website one you'll want to bookmark and return to again and again. The sports betting sites discussed below are all accessible via a desktop or laptop computer. We’ve evaluated them all, and here provide our top recommendations for the best online sports betting websites. Many use betting apps, but some prefer the web-based browser versions of online sportsbooks. With online sports betting exploding in popularity, bettors have more options than ever for wagering online. All betting content on NJ.com is written exclusively by Catena Media, which provides expert analysis, reviews, bonuses, and tools for sports bettors and casino players.