Web development is the process of building and maintaining websites. It encompasses a wide range of activities, including website design, content development, server-side scripting, and client-side scripting. Web developers may use a variety of programming languages and technologies to create web-based applications and dynamic websites. Some common languages and technologies used in web development include HTML, CSS, JavaScript, PHP, and MySQL. Web development can be done using a variety of approaches, such as front-end development, back-end development, and full-stack development. The goal of web development is to create user-friendly and accessible websites that can be accessed and used by a wide range of people, regardless of their technical skills or experience.