HTML http-equiv 'meta' Tag/Element


What Is an HTML http-equiv "meta" Tag/Element?



a http-equiv "meta" element is a special "meta" element that provides information equivalent to HTTP headers. A http-equiv "meta" element must include the "http-equiv" attribute as, http-equiv="Content-Type". Here is some good examples:

  <meta http-equiv="Content-Type" content="text/html;
    charset=UTF-8" />
  <meta http-equiv="Refresh" content="3; 
    URL=" />
  <meta http-equiv="Expires" content="Sun, 22 Mar 1998
   16:18:35 GMT" />

XHTML browsers and search engines are all respecting http-equiv meta elements. So it is important to code the keywords meta element properly in your XHTML documents following rules below:

  • Include http-equiv meta elements in XHTML documents as needed. Do not include all http-equiv meta elements in every XHTML documents.
  • Attribute "http-equiv" must contain valid HTTP headers defined in HTTP protocol.
  • Attribute "content" must contain valid values that matches the HTTP header specified in "http-equiv".
  • http-equiv="Content-Type" is used to specify the document type, and character set.
  • http-equiv="Refresh" is used to specify a refresh with a waiting period and a URL.
  • http-equiv="Expires" is used to an expiration time of the document.


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2017-06-23, 2216🔥, 0💬