Web application development refers to the process of creating web-based software applications that can be accessed through a web browser. These applications can be used for a variety of purposes, such as e-commerce, social media, online banking, education, healthcare, and more.

The process of developing a web application typically involves several steps, including gathering requirements, designing the user interface, developing the application logic, testing the application, and deploying it to a web server.

Web application development can be done using a variety of programming languages, frameworks, and tools, depending on the specific needs of the project. Some popular programming languages for web development include HTML, CSS, JavaScript, Python, Ruby, PHP, and Java. There are also many web development frameworks available, such as React, Angular, Vue.js, Django, Ruby on Rails, and Laravel.