Wondering what is PageRank? PageRank is the measure of importance Google assigns to a Web page on a scale of 1 to 10.

Google’s founders, Sergey Brin and Larry Page, formulated a Search Engine algorithm that shifted the ranking weight to off-page factors such as inbound links. They developed a formula called PageRank, in which the algorithm counts the number of sites that link to a page and then assigns the page an importance score on a scale of 1-10. The higher the number and importance of sites that link to your page, the higher the PageRank of your webpage.

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PageRank explained