Web application development is the process of creating interactive, dynamic applications that run on web servers and are accessed through web browsers. Unlike traditional websites, which primarily serve static content, web applications offer a rich, user-centric experience by integrating functionalities like data manipulation, real-time updates, and personalized interactions. This development involves a combination of client-side scripting (HTML, CSS, JavaScript) for the user interface and server-side scripting (such as Python, Ruby, PHP) to manage data and business logic, often enhanced by modern frameworks and APIs. As a cornerstone of modern digital experiences, web application development is essential for creating platforms like social media, online banking, and e-commerce, driving innovation and connectivity in today's tech-driven world.