Read more here
http://www.dummies.com/how-to/content/content-popularity-and-architecture-things-all-sea.html?cid=dn_article
Tuesday, May 15, 2012
Content, Popularity, and Architecture: Things All Search Engines Look For
To keep their results relevant, all search engines need to understand the main subject of a Web site. You can help the search engines find your Web site by keeping in mind the three major factors they’re looking for — content, popularity, and architecture...
