http://www.58db.com/article.asp?id=47
教程网:http://www.foreweb.com/Article/Special/seo/
http://www.blueidea.com/tech/site/2008/5971.asp
http://www.enet.com.cn/eschool/video/seo/
http://www.seores.com
视频网:http://www.enet.com.cn/eschool/video/seo/