XHTML Friends Network
Encyclopedia
XHTML Friends Network is an HTML
microformat
developed by Global Multimedia Protocols Group
that provides a simple way to represent human relationships using links. XFN enables web authors to indicate relationships to the people in their blogrolls by adding one or more keywords as the rel attribute
to their links. XFN was the first microformat
, introduced in December 2003.
Multiple values may be used, so if that friend has met Jimmy:
HTML
HyperText Markup Language is the predominant markup language for web pages. HTML elements are the basic building-blocks of webpages....
microformat
Microformat
A microformat is a web-based approach to semantic markup which seeks to re-use existing HTML/XHTML tags to convey metadata and other attributes in web pages and other contexts that support HTML, such as RSS...
developed by Global Multimedia Protocols Group
Global Multimedia Protocols Group
The Global Multimedia Protocols Group was founded in March 2003 by Tantek Çelik, Eric Meyer, and Matt Mullenweg. The group has developed methods to represent human relationships using XHTML called XHTML Friends Network and XHTML Meta Data Profiles , for use in weblogs....
that provides a simple way to represent human relationships using links. XFN enables web authors to indicate relationships to the people in their blogrolls by adding one or more keywords as the rel attribute
Rel attribute
A link relation is a descriptive attribute attached to a hyperlink in order to define the type of the link, or the relationship between the source and destination resources. The attribute can be used by automated systems, or can be presented to a user in a different way.In HTML these are designated...
to their links. XFN was the first microformat
Microformat
A microformat is a web-based approach to semantic markup which seeks to re-use existing HTML/XHTML tags to convey metadata and other attributes in web pages and other contexts that support HTML, such as RSS...
, introduced in December 2003.
Example
A friend of Jimmy Example could indicate that relationship by publishing a link on their site like this:Multiple values may be used, so if that friend has met Jimmy:
External links
- XFN at the Global Multimedia Protocols Group
- XFN creator Page to generate XFN hyperlinks
- Microformats 'wiki'.
- DataPortability- Advocate interoperable data portability to users, developers and vendors.
- Social Graph API - Google indexes pages embedded with XFN and provides API for aggregating the results.