Hotjar is a web analytics tool that helps website owners understand how users interact with their sites. It provides features like heatmaps, which visually represent where users click, scroll, and move their mouse. This information helps businesses identify areas for improvement and optimize user experience. In addition to heatmaps, Hotjar offers session recordings that allow users to watch real-time interactions on their website. This can reveal common user behaviors and pain points. Overall, Hotjar is a valuable resource for enhancing website performance and increasing user satisfaction.