Google’s number one priority is being able to differentiate between natural sites and spam- centered sites. It’s a fine line to walk, but in order to offer the highest quality information for users; search engines need clues. As many Webmasters know, linking is the number one clue and always found at the center of this Author information Amanda DiSilvestro Amanda DiSilvestro gives small business and entrepreneurs SEO advice ranging from keyword density to recovering from Panda and Penguin updates