Social media platforms leverage algorithms for user engagement by analyzing user interactions, preferences, and behaviors to curate personalized content. These algorithms determine what posts, ads, and recommendations appear on a user's feed, aiming to maximize engagement and retention. By using metrics like clicks, likes, and shares, algorithms continuously adjust content delivery to maintain user interest and foster a sense of community. This personalization is essential for businesses and content creators, as higher engagement rates typically lead to increased visibility and growth within the platform ecosystem.