看一下这个Spencer的这篇帖子,你就明白了:http://www.nichepursuits.com/the ... r-ranking-in-google
However, when analyzing the page one results in Google, I still like to look at the Page Links, and more importantly the “Juice Page Links”. This metric tells you how many links are pointing to the page that are actually passing some sort of authority…or “juice” as SEOmoz calls it. This is primarily “Do Follow” vs “No Follow” links; but again its calculated by SEOmoz so they likely also take into account overall quality factors of the link as well (authority of page where link is coming from, etc).
I like to see a couple of results in Google that have less than 30 juice page links. And I get excited when 5 or 6 of the results have less than 10 Juice page links.
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