About web applications

A web application is a website that contains pages with partly or entirely undetermined content. The final content of a page is determined only when the visitor requests a page from the web server. Because the final content of the page varies from request to request based on the visitor’s actions, this kind of page is called a dynamic page.

Web applications are built to address a variety of challenges and problems. This section describes common uses for web applications and gives a simple example.

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