Web usability refers to the ease and effectiveness with which a website or web application can be used by its intended audience. It encompasses the design, layout, and functionality of a website, as well as the overall user experience. A website with good usability is intuitive, user-friendly, and allows for efficient navigation and interaction. It takes into consideration the needs and preferences of the target audience, making it easy for them to find the information or complete the tasks they came for. In essence, web usability is about creating a seamless and enjoyable experience for users, ultimately leading to increased engagement and satisfaction.