Match
How much free money the house will give you as a percentage of your initial deposit.

Max
The maximum amount of bonus money you can receive initially.

Interface
This rates how easy to use and pleasant to look at the company's website and software is.

Variety
This reflects the depth (number of different bets on each sporting event) and breadth (number of different sporting events) of the sportsbook's coverage.

Cashier
This is a rating of how quickly the sportsbook processes withdrawal requests, how quick and helpful their support services are.

Promos
The more frequent and better the site's promotions are (free bets, bonuses, tipping competitions, etc) the higher score they should get here.