User Agents

In computing, a user agent is software (a software agent) that is acting on behalf of a user.For example, an email reader is a mail user agent, and in the Session Initiation Protocol (SIP), 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 (HTTP) 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 (based on HTTP) followed this usage.
Posts about User Agents
  • When To Optimize Alt and Title Text for Images

    … Cutts, Google’s head of Web spam. Notice that he does say “alt tag” and calls it alternative text that helps describe the scene found in the image. Your text should describe what the image is about and be limited to 10 words or less. This text does not have to be a sentence but more a descriptive, keyword-rich phrase. If the image doesn’t fit…

    Nicolette Beard/ Raven Blogin Social SEO Google- 3 readers -
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