nofollow would be a waste of weight and the PR value, according to an article in Matt Cutts: PageRank sculpting, the core of it is the sentence below:

if you have a page PR value of 10 points, there are 10 links to this page, there are 5 links is derived, then what will happen? Let us put aside the attenuation factor (see note), focus on the part of the core of the problem. Before 5, each link without nofollow will receive 2 points before the nofollow PR value, each link to 1 PR value (in fact, the number of links when the page PR value of the nofollow is not included in the denominator of the distribution chain). More than a year ago, Google changed the flow of PR, 5 each link without nofollow only get 1 points.

"Original translation: To

as an example, according to Matt Cutts theory, B to K without nofollow, get 1 points for each page to add F to the PR value; B nof>

"So what happens when you have a page with " ten PageRank points and ten outgoing links, and five of those links are nofollowed Let s leave aside?" the decay factor to focus on the core part of the question.Originally, the five links without nofollow would have flowed two points of PageRank each (in essence the, nofollowed links didn t count toward the denominator "when dividing PageRank by the outdegree of the page.More than a) year ago, changed how the PageRank flows baby aristocrat so that the five links without nofollow would flow one point of PageRank each.

 

At present, there are some people who think that

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