Jun
29
2009
Explaining Page Rank
If you haven't seen the piece Matt Cutts did recently on page rank, you should take a look.
Matt provides one of the best explanations of page rank I've ever read. After a good look at how to think about page rank, Matt walks through a Q&A that touches on the differece between dofollow and nofollow links, how Google has tinkered with the process fo calculating page rank, and page rank sculpting…
Q: Does this mean "PageRank sculpting" (trying to change how PageRank flows within your site using e.g. nofollow) is a bad idea?
A: I wouldn't recommend it, because it isn't the most effective way to utilize your PageRank. In general, I would let PageRank flow freely within your site. The notion of "PageRank sculpting" has always been a second- or third-order recommendation for us…
There's more detail on this topic in the article.

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