This is a list of the top online gambling sites based on their 3 month Alexa Ranking. This list is not complete and does not include all sites. It does not include state lotteries or affiliate sites and related sites. If you know of a site that is not featured contact info@betsocial.net. (05/07/2012)
| Site | Alexa Rank |
| Bet365 | 352 |
| 888 | 528 |
| William Hill | 594 |
| Betfair | 906 |
| Bwin | 2,125 |
| Unibet | 3,361 |
| Bet at Home | 4,246 |
| Paddy Power | 4,397 |
| Ladbrokes | 4,883 |
| Oddschecker | 5,926 |
| PartyCasino | 6,750 |
| PKR | 7,451 |
| Expekt | 7,753 |
| SportingBet | 9,056 |
| Betfred | 11,157 |
| Bet Victor | 11,978 |
| Betsson | 14,359 |
| Coral | 20,394 |
| Boylesports | 30,290 |
| 10bet | 36,567 |
| Blue Square | 47,472 |
| BetCRIS | 50,474 |
| Intertops | 55,274 |
| Tote Sport | 62,166 |
| 32red | 64,993 |
| Gala Bingo | 73,180 |
| Sportsbook.com | 73,783 |
| Bodog | 74,756 |
| Mr Green | 78,137 |
| Roxy Palace | 78,756 |
| Bet Internet | 80,165 |
| Virgin Games | 86,992 |
| Gala Casino | 90,035 |
| Colosseum Casino | 125,648 |
| Grand Duke | 149,262 |
| Sportbet |
155,921
|
| Sporting Index | 152,236 |
| Mansion Casino | 153,274 |
| Pacific Poker | 178,386 |
