Counts of @profile values from 130K pages downloaded from dmoz.org on 2009-01-27:

   1025 http://gmpg.org/xfn/11
     44 http://gmpg.org/xfn/1
     24 http://dublincore.org/documents/dcq-html/
     20 http://purl.org/NET/erdf/profile
     10 http://www.w3.org/2005/11/profile
     10 http://purl.org/metadata/dublin_core
      9 http://www.w3.org/2005/10/profile
      8 false
      8 
      5 http://purl.org/net/ns/metaprof
      4 http://www.w3.org/2000/08/w3c-synd/#
      4 http://purl.org/metadata/dublin_core/
      3 /profile.html
      3 http://www.w3.org/2003/g/data-view
      3 http://www.acme.com/profiles/core http://dublincore.org/documents/dcq-html/
      2 http://gmpg.org/xfn/11?>
<meta http-equiv=
      2 http://geotags.com/geo
      2 0
      1 value
      1 http://www.w3.org/2006/03/hcard
      1 http://www.w3.org/2003/g/data-view
				http://purl.org/NET/erdf/profile
				http://dig.csail.mit.edu/2007/id/doc
				http://gmpg.org/xfn/11
				http://purl.org/stuff/hdoap/profile
      1 http://www.swirecc.com></head>
<title>Swire Coca-Cola Home</title>
<meta name=
      1 http://www.ssoc.cl
      1 http://www.sgd.com.my
      1 http://www.nature.com/common/xmdp-profiles/xoxo.html http://www.nature.com/common/xmdp-profiles/hatom.html
      1 http://www.kanzaki.com/ns/metaprof http://purl.org/NET/erdf/profile http://purl.org/uF/hCalendar/1.0/ http://purl.org/uF/hCard/1.0/ http://purl.org/uF/hAtom/0.1/ http://purl.org/uF/geo/0.9/ http://microformats.org/wiki/rel-enclosure#XMDP_profile
      1 http://www.hotelgranproa.com
      1 http://www.csdesign.ch/index_meta.htm
      1 http://www
      1 http://purl.org/uF/2008/03/
      1 http://purl.org/net/uriprofile/
      1 http://purl.oclc.org/metadata/dublin_core/
      1 http://misd.k12.mi.us/profile.txt
      1 http://microformats.org/wiki/xfolk-profile
      1 http://microformats.org/wiki/hcard-profile
      1 http://l0t3k.org/security/docs/honeypotting/en/
      1 http://dublincore.org
      1 //gmpg.org/xfn/11
      1 ecometa.html