Google’s PageRank rating is a huge obsession for many SEO professionals, and yet, it is not nearly the most important factor in determining a page or site’s ranking in the Google index. There is a lot of great information about the how pages are ranked in this video on the Google Webmaster Help YouTube channel.
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Recently, Google’s Matt Cutts talked about PageRank sculpting and mentioned something which shattered many people’s PageRank sculpting theories and practices. He explained that using the HTML nofollow attribute to prevent search engine web crawlers from going to unimportant parts of a website, like a privacy policy, does not give you a higher ranking on the other pages on your site.
A lot of SEO companies still charge for the most basic advice that is publicly available and all developers should already know. At DEJAN SEO we provide this advice for free, and so does Google. Following is the 

