9 prefixes (rdfa) | prefix.cc

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
<html xml:lang="en"
    xmlns="http://www.w3.org/1999/xhtml"
    xmlns:cgov="http://reference.data.gov.uk/def/central-government/"
    xmlns:dce="http://purl.org/dc/elements/1.1/"
    xmlns:foaf="http://xmlns.com/foaf/0.1/"
    xmlns:org="http://www.w3.org/ns/org#"
    xmlns:pc="http://purl.org/procurement/public-contracts#"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:skos="http://www.w3.org/2004/02/skos/core#"
    xmlns:whois="http://www.kanzaki.com/ns/whois#">
  <head>
    <title>Hello World!</title>
  </head>
  <body>
    <h1>Hello World!</h1>
  </body>
</html>