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 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 ...

Sculpting PageRank? Are you scratching your head, wondering whether I'm talking about carving a masterpiece? In a way, I am. I'll get to why that is, in a minute. PageRank, a Google-trademarked term, ...

Google’s PageRank is one of the metrics that started it all. It was present in that very first research paper, that laid a foundation for Google’s entire ranking system. PageRank figures out the ...

The first time that SEOs were faced with the prospect of PageRank going away was a year ago, when Matt Cuts suggested that there would be no further updates in 2013. Later that same month, Cutts ...

Aaron Wall over at SEOBook, has put together an infographic explaining how Google has made the organic link irrelevant. It's ironic that Google's actions have largely devalued the search rank benefits ...