There has been a lot of discussion and scare on Twitter and within the SEO forums that Google has disabled the Toolbar PageRank scores from working. The truth is, no they have not. As several sites ...

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When two unknown graduate students, Larry Page and Sergey Brin, first described Google in an academic paper published in 1998, the key innovation that drove their improved search engine was the ...

Simple works best, so no complex numbers here. Just a picture and words. PageRank is a number. If you put a link from page A to page B, page A will distribute PageRank to page B. Page A's PageRank ...

Here's an in-depth look into harmonic centrality, why it's useful for search engines, and how it compares against PageRank. Graphs help us understand the real world better by mathematical abstractions ...

There are many things that can be known about how PageRank is spread around a site and from one site to another site. And like many things about SEO there are some misconceptions. This article links ...

A computational chemist at Washington State University has adapted Google's seminal search algorithm, PageRank, so that instead of mapping trillions of web pages it maps out the shapes and chemical ...