UK online casinos and UK online poker rooms are a very popular form of entertainment in today’s society. Online casino and online poker room operators face steep competition from their rivals in the casino gaming industry wide race to attract new players so they offer a wide variety of incentives to bring you in and keep you playing at their establishments. One of the most common ways that online casino websites attract players is by offering online casino bonus promotions, which are advertised as opportunities for players to win “free money” simply by partaking in casino game play at a particular casino. Casino bonus offers vary at every establishment in amount and usage, but usually come in one of two main forms. Sign-up bonuses, also called welcome benefits, are available at nearly every online casino to new players, and they are especially useful to players who may be new to online casino gaming and want to play casino games with little risk. Most online casinos also offer casino bonus reload incentives to players when they make deposits in their bankrolls. It’s very important to note, however, that most online casino bonus offers come with rules concerning proper usage that may not be obvious to novice online casino players. Casino bonus restrictions usually dictate a set of guidelines regarding deposit, hold, and play-through measures that are meant to keep players from exploiting the bonus reward system. Always make sure that you learn and understand the conditions of your online casino bonus.