Apr 23, 2012 at 2:12pm ET by Barry Schwartz Google’s head of web spam, Matt Cutts, posted a 8 minute video on how Google search works. From crawling, indexing to ranking, he gets into a brief overview of how Google’s search engine does its job. Matt explains how PageRank is used, crawling timelines, frequencies, priorities, indexing and filtering processes within the databases.

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