rel

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rel is short for "relationship" and an HTML 4.01 attribute on the a and link elements. The 'rel' attribute is used for several popular elemental microformats such as rel-nofollow, rel-license, rel-tag, and XFN. Popularity is noted as of 2005-12 per the Google study on markup use, in particular the use of link relationships, the <a> tag, and related page headers (which noted that "XFN [is] the most popular HTML metadata profile").

For more on the rel attribute and its use in microformats, see:

Contents

rel microformats

Specifications and drafts:

See existing-rel-values for a more comprehensive list of rel values from HTML4, microformats, and other sources.

articles

Articles and other tutorials written about the "rel" attribute and microformats use of. Most recent first.

See articles for more articles on microformats in general.

RDFa Incompatibility

RDFa defines a processing model for rel values that is incompatible with both previous HTML usage of rel (e.g. HTML4), and modern microformats and HTML5 definitions and usage (document scoped).

Adding rel values as defined in microformats and HTML5 can affect RDFa processing in unexpected ways.[1]

Translations

Read about the 'rel' attribute in additional languages:

see also

rel was last modified: Wednesday, October 1st, 2014

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