Google Rank's Your Blog
Google has filed for a patent application for ranking blogs by the quality of oyur blog. Bill Slawski of SEO by the sea has given a summary of some of the key factors of ranking your blog.
There are both positive and negative categories that blogs are ranke by, such as the popularity of the blog, Implied popularity of the blog, Inclusion of the blog in blogrolls, Existence of the blog in high quality blogrolls tagging of the blog, References to the blog by other sources, A pagerank of the blog, Other indicators could also be used. They also may use frequency of new posts, Content of the posts, Size of the posts, Link distribution of the blog, The presence of ads in the blog.
For more info:
http://www.webpronews.com/blogtalk/2007/03/19/how-does-google-rank-your-blog
