Web browser

A web browser (often known as a browser; hereinafter, the Browser) is an end-user application that allows for browsing web documents published at the World Wide Web. To request the Browser display some website, a user enters into the Browser the website's hostname. Then, the Browser utilizes DNS to locate the sought website in the World Wide Web and to get its landing page's web document in order to display this webpage in the Browser.

A web browser is not the same thing as a search engine, though the two are often confused.[1][2] For a user, a search engine is just a website, such as Google Search, Bing, or DuckDuckGo, that stores searchable data about other websites. However, to connect to a website's server and display its web pages, a user must have a web browser installed.[3]

In 2019, an estimated 4.3 billion people used a browser.[4] Google Chrome is the most used browser, with a 64% market share on all platforms, followed by Safari with 17%.

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