A slot is a narrow opening, especially one in a machine or container that allows something to pass through or fit. The term is also used to refer to a position in a schedule or program; for example, a time slot is when an activity will take place.

Online slots are the most popular games at casinos and offer an enormous variety of themes and options. Some are simple and feature single paylines while others have multiple reels, bonus rounds and branded content from movie, TV and music franchises. Some have a tie-in with an existing online casino and allow players to earn loyalty rewards.

Advantage plays in slots are not as common as they once were, but some enterprising individuals claim to have figured out several game theme loopholes and share them with other players. However, serious advantage play involves carefully balancing energy and cost with potential profit.

In the NHL, the area in front of the goaltender and between the face-off circles is called the slot. Smaller receivers like Tyreek Hill or Brandin Cooks are effective in the slot because they can stretch the defense vertically off pure speed and run shorter routes on the route tree, such as slants and quick outs. They are more effective than wide receivers, who can only go straight downfield or inward. The NFL has become a more pass-heavy league in recent years, and slotbacks have surged in popularity. Darren Sproles and Larry Fitzgerald are two examples of this trend.