Webmasters are familiar with pagerank, its some sort of values in numeric which rank web page and being rank by Google. Despite there are other web page rank such as Mozrank, etc., and other parameters such as alexa with its traffic, but pagerank are dominating the web parameters.
PageRank itself have been patent by Stanford University, but being used exclusively by Google, which we all known. The pagerank itself helping google indexing all active website and the values or importance of the web pages.
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