PageRank

A brief History of PageRank

PageRank was the first core algorithm in Google Search and is named after Larry Page (co-founder of Google). PageRank aims at estimating the importance of a webpage on the basis of number and quality of links it receives. In short it is a link analysis algorithm.

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Site Speed – How and When it became a ranking signal in Google

Google always had the intuition that “speed matters” on the Internet. In June 2009 they made practical experiments and provided accurate figures demonstrating how slowing down the search results page by 100 to 400 milliseconds had a measurable impact on the number of searches per user of -0.2% to -0.6% (averaged over four or six weeks depending on the experiment).

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