What does user agent mean?

Definitions for user agent
us·er agent

Here are all the possible meanings and translations of the word 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.

    Submitted by anonymous on April 26, 2017  

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.

How to pronounce user agent?

  1. Alex
    US English

How to say user agent in sign language?

  1. useragent


  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

Translations for user agent

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    fill with high spirits; fill with optimism
    • A. summon
    • B. loom
    • C. scarper
    • D. elate

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