HTTP Response Header

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What Does HTTP Response Header Mean?

An HTTP response header is a component of a network packet that is sent by a Web server to a Web browser or client machine in response to an HTTP request. It is used in Web communications to deliver webpage and other Web-based data from the server to the requesting end-user browsers.

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Techopedia Explains HTTP Response Header

An HTTP response header primarily enables communicating and responding to user requests received on a Web server or the website. An HTTP response header works when a webpage or HTTP request is generated from the client’s Web browser. This request is received in the form of an HTTP request header to the Web server containing the source address, requested data and its format and other data. The Web server responds back by creating an HTTP response header and attaching the requested data with it. The information embedded with the HTTP response header includes the destination IP address, data type, host address and more.

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Margaret Rouse
Technology Expert
Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.