Question

what is user agent?
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Answer 1

Answer:

In computing, a user agent is any software, acting on behalf of a user, which "retrieves, renders and facilitates end-user interaction with Web content." A user agent is therefore a special kind of software agent. Some prominent examples of user agents are web browsers and email readers.

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Answer 2

Answer:

A user agent is any software that retrieves and presents Web content for end users or is implemented using Web technologies. User agents include Web browsers, media players, and plug-ins that help in retrieving, rendering and interacting with Web content.

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