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    Themes in Content: Hub And Authority Sites

    It is almost universally agreed by search engine optimization (SEO) professionals that Google and probably the other search engines are using themeing to evaluate the relevance of incoming and outgoing links. Many also agree that themeing is used to measure the relevance of both on and off page content as part of the search algorithm. The question for most SEO experts is to what degree that themeing is indeed being employed by the search engines.
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    Getting Your Site Unblocked By Google

    While every website owner hopes they’ll never need to know how to get a site unblocked from a Google ban, it’s still vital for website owners to know. Find out what to do first such as verifying the site is banned and not just in the “sandbox”.
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    Google PageRank Formula: Changes Over Time

    To more fully understand how Google calculates and assigns PageRank, it’s necessary to consider the changes made since the inception of the formula. Wayne Hurlbert sheds light on the Topic-Sensitive PageRank calculation method.
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