13 May 2010

XFN (XHTML Friends Network) is one simple way to represent human relationships using hyperlinks. In recent years, blogs and blog rolls have become the fastest growing area of the Web. XFN enables web authors to indicate their relationship(s) to the people in their blog rolls simply by adding a ‘rel’ attribute to their <a href> tags, e.g.:
<a href=”http://jeff.example.