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Revision as of 14:43, 5 January 2009
cnadronac <entry-title>rel="home"</entry-title> This document represents a draft microformat specification. Although drafts are somewhat mature in the development process, the stability of this document cannot be guaranteed, and implementers should be prepared to keep abreast of future developments and changes. Watch this wiki page, or follow discussions on the #microformats IRC channel to stay up-to-date.
Draft Specification 2005-12-07
Editor/Author
Copyright
This specification is (C) 2005-2024 by the authors. However, the authors intend to submit (or already have submitted, see details in the spec) this specification to a standards body with a liberal copyright/licensing policy such as the GMPG, IETF, and/or W3C. Anyone wishing to contribute should read their copyright principles, policies and licenses (e.g. the GMPG Principles) and agree to them, including licensing of all contributions under all required licenses (e.g. CC-by 1.0 and later), before contributing.
Patents
This specification is subject to a royalty free patent policy, e.g. per the W3C Patent Policy, and IETF RFC3667 & RFC3668.
Abstract
Rel-Home is one of several MicroFormats. By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears. When the appropriate HTML Meta data profile is in use, the "home" type can be used alongside standard Link Types.
Example usage :
<head> ... <link href="http://technorati.com" rel="home" /> ... </head>
The rel value may also appear wherever an anchor link may appear, e.g.
<body> ... <a href="http://technorati.com" rel="home">Home</a> ... </body>
the author indicates that the linked page is the homepage of the site.
The linked page SHOULD exist. Use of an absolute URI is recommended.
Scope
rel="home" is designed for site navigation purposes, as well as allowing some description of site structure to be derived from individual pages. Typical use might be in the archive pages of a weblog, pointing back to the front page.
XMDP profile
<dl class="profile">
<dt id="rel">rel</dt>
<dd><p>
<a rel="help" href="http://www.w3.org/TR/html401/struct/links.html#adef-rel">
HTML4 definition of the 'rel' attribute.</a>
Here is an additional value.</p>
<dl>
<dt id="home">home</dt>
<dd>Indicates that the referred resource serves as the homepage,
of the site which includes the referring page.</dd>
</dl>
</dd>
</dl>
Examples in the Wild
This section is informative.
The following sites have implemented rel-home, and thus are a great place to start for anyone looking for examples "in the wild" to try parsing, indexing, organizing etc. If your site is marked up with rel-home, feel free to add it to the bottom of this list. Once the list grows too big, we'll make a separate wiki page.
- the my-Warehouse shopsystem implements rel-home into the breadcrumb.
- http://chrisruppel.com uses rel-home as a link in the <head>
- Cleaner Today uses multiple implementations: 1) Moth Trap page uses rel-home in <head> 2) Spider Traps page uses rel="home" on Corner Logo Link & "Home" link in the footer.
Implementations
This section is informative. The following implementations have been developed which either generate or parse rel-home links.
Ed. : links to follow
- Opera browser supports rel="home"
- FireFox Link Toolbar - need to confirm
- cmSiteNavigation Toolbar - Firefox Extension that supports rel="home" and rel="directory"
References
Normative References
Informative References
- Dive Into Accessibility (Mark Pilgrim)
Ed. : need to track down previous discussions, e.g. re. Opera
Discussions
Q&A
- If you have any questions about rel-home, check the rel FAQ, and if you don't find answers, add your questions!
Issues
- Please add any issues with the specification to the separate rel-home issues document.