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Queried for: META element  About META element

Definition:

An element, with tag name of "META", expressing meta-data about a given HTML document. HTML standards do not require that documents have META elements; but if META elements occur, they must be inside the document's HEAD element.

The META element can be used to identify properties of a document (e.g., author, expiration date, a list of key words, etc.) and assign values to those properties, typically by specifying a NAME attribute (to name the property) and a CONTENT attribute (to assign a value for that property). The HTML 4 specification doesn't standardise particular NAME properties or CONTENT values; but it is conventional to use a "Description" property to convey a short summary of the document, and a "Keywords" property to provide a list of keywords relevant to the document, as in: META elements with HTTP-EQUIV and CONTENT attributes can simulate the effect of HTTP header lines, as in: Other properties may be application-specific. For example, the {Robots Exclusion (http://info.webcrawler.com/mak/projects/robots/norobots.html.

standard uses the "robots" property for asserting that the given document should not be indexed by robots, nor should links in it be followed: