A casino welcome bonus is a marketing incentive offered by online casinos to attract new players. It is usually a sum of bonus money that is given to players upon signing up and making their first deposit. These bonuses can come in various forms, such as match bonuses, free spins, or no deposit bonuses. Players should always read the terms and conditions of the casino welcome bonus to understand any wagering requirements or restrictions. Taking advantage of a casino welcome bonus can give players additional funds to play with and enhance their overall gaming experience.