Web application

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A web application (or web app) is application software that runs via a web browser.^[1] Web applications are created using web technologies and commonly distributed via a web server.^[2] The introduction of web applications during the early 2000s allowed for more developer and user flexibility with client interfaces.

There are several different tier systems that web applications use to communicate between the web browsers, the client interface, and server data. Each system has their own uses as they function in different ways. However, there are many security risks that developers must be aware of during development; proper measures to protect user data is vital.

Single-page and progressive are two approaches for a website to seem more like a native app.