<https://ko.wordpress.org/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://9clock.net/flash/blog/index.php?no=61&%EC%84%B8%EB%A5%98%EC%97%AD%EC%95%88%EB%A7%88.asp>