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XHTML Friends Network
open-in-new
<p>XHTML Friends Network (XFN) is an <a href="/facts/HTML/sSc3fT78">HTML</a> <a href="/facts/Microformat/NCueM8H6">microformat</a> developed by <a href="/facts/Global_Multimedia_Protocols_Group/eRBVa3AI">Global Multimedia Protocols Group</a> that provides a simple way to represent human relationships using links. XFN enables web authors to indicate relationships to the people in their <a href="/facts/Blogroll/YjND9lS6">blogrolls</a> by adding one or more keywords as the <a href="/facts/Rel_attribute/B5yxMIvf"><i>rel</i> attribute</a> to their links. XFN was the first <a href="/facts/Microformat/NCueM8H6">microformat</a>, introduced in December 2003. </p>