Web development is the work involved in developing a website for the Internet or an intranet. Web development can range from developing a simple single static page of plain text to complex web applications, electronic businesses, and social network services.A web developer's job is to create websites. While their primary role is to ensure the website is visually appealing and easy to navigate, many web developers are also responsible for the website's performance and capacity.Web development refers to the process of building and maintaining websites and web applications. It involves a variety of tasks, including web design, front-end and back-end programming, database management, and overall website maintenance. Here are the key components involved in web development.