Every two years, SEOMoz.org surveys 100 of the industry’s top SEO minds. In 2009, they surveyed 72 SEO professionals in the data gathering process & had then answer survey questions that consumed hours of time. The resulting document is an amazing aggregation of data about how search engines rank documents and should be read by anyone serious about practicing search engine optimization.
admin on August 23, 2009
Definitely a great resource…