Web development is the process of creating and maintaining websites. It encompasses a wide range of activities including web design, web content development, client-side/server-side scripting, and web server configuration. Web developers use various programming languages, such as HTML, CSS, JavaScript, and Python, to create and improve websites. They also use frameworks and libraries to make development more efficient and consistent. The goal of web development is to create a website that is visually appealing, easy to navigate, and meets the needs of the client or end user.