What does user agent mean?

Here's a list of possible definitions for the term user agent:


  1. user agent(Noun)

    The client application used with a particular network protocol, such as http: or ftp:.


  1. User agent

    In computing, a user agent is software that is acting on behalf of a user. For example, an email reader is a Mail User Agent, and in the Session Initiation Protocol, the term user agent refers to both end points of a communications session. In many cases, a user agent acts as a client in a network protocol used in communications within a client–server distributed computing system. In particular, the Hypertext Transfer Protocol identifies the client software originating the request, using a "User-Agent" header, even when the client is not operated by a user. The SIP protocol followed this usage.

Editors Contribution

  1. user agent

    A User Agent is a short string that web browsers and other applications send to identify themselves to web servers.

    Unfortunately, most browsers falsify part of their User-Agent header in an attempt to be compatible with more web servers.

Suggested Resources

  1. user agent

    UserAgents.com is a useful resource to help you understand what information is contained in a user agent string and get an analysis of your or any other user agent string.


  1. Chaldean Numerology

    The numerical value of user agent in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of user agent in Pythagorean Numerology is: 2

Images & Illustrations of user agent

  1. user agent

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