Wow.

Smashing Magazine has put together an incredible and in-depth look at what we know and don’t know about Google’s mysterious yet important Page Rank. Coverage of no follow, anchor texts, do’s and don’ts, and so on…

google-pagerank.jpg Everybody is using it, but (almost) nobody really knows, how it works. Google PageRank is probably one of the most important algorithms ever developed for the Web. With billions of existing pages and millions of pages generated every day, the search issue in the Web is more complex than you probably think it is. PageRank, only one of hunderds of factors used by Google to determine best search results, helps to keep our search clean and efficient. But how is it actually done? How does Google PageRank work, which factors do have an impact on it and which don’t? And what do we really know about PageRank?

In this article we put the facts straight.

This piece is clearly laid out, based on solid research and enough graphs to keep the ADD in us interested.

This is a must read.

Google PageRank: What Do We Know About It? - Smashing Magazine