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  1. #1
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    Pagerank Question

    Just simple question about PR. If side A (PR4) has 1 outbound link, and that link is to site B, and side B has no returning link to side A, and side B has (pr1), than side B with time should get PR5.

    Is that right?
    Last edited by moospot; Jun 30, 2005 at 12:23. Reason: self promotion

  2. #2
    is craving 'the potato' slayerment's Avatar
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    No, the page rank algorithm used in the original Google paper is not defined like that. The algorithm used then was: PR(A) = (1-d) + d (PR(T1)/C(T1) + ... + PR(Tn)/C(Tn)) and I would assume there are some other changes that have been made.

    You can read up more on it here: http://www.iprcom.com/papers/pagerank/

  3. #3
    Application Developer shabbirbhimani's Avatar
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    Quote Originally Posted by jackar000
    Just simple question about PR. If side A (PR4) has 1 outbound link, and that link is to site B, and side B has no returning link to side A, and side B has (pr1), than side B with time should get PR5.

    Is that right?


    http://aussieloans.info
    Its not that simple but yes it will give some benefit in the PR for a link

  4. #4
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    Is that right?
    No
    It'd be too easy to obtain PR10 in such case

  5. #5
    SitePoint Wizard silver trophy someonewhois's Avatar
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    Quote Originally Posted by jackar000
    Just simple question about PR. If side A (PR4) has 1 outbound link, and that link is to site B, and side B has no returning link to side A, and side B has (pr1), than side B with time should get PR5.

    Is that right?


    http://aussieloans.info
    Keep in mind that PR and rankings is on a per-page basis, not a per-site basis. That said, no, your logic is slightly flawed. If page A links to page B, and page B has a PR1, and page A has a PR4 with just the single outbound link, then page A will give 85% of the PR4 to the other page. This would probably end up with another PR4 page, since a PR1 is worth next to nothing. Also keep in mind that PR is not linear -- (PR2 - PR1) < (PR3 - PR2)

  6. #6
    runat="server" Golgotha's Avatar
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    you could test this with the PageRank Decoder at Search-This.com

    the answer is, if everything is as you say, page B would have a PR value of 3.55.

  7. #7
    SitePoint Guru r2d2's Avatar
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    Quote Originally Posted by Golgotha
    you could test this with the PageRank Decoder at Search-This.com
    That looked good until I put two PR4 links into a page - apparently the receiving page would be PR6.85! I dont think so!

    Then I added a PR10 link, and it came out as PR15 lol

  8. #8
    runat="server" Golgotha's Avatar
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    that's because you set a pages PR artificially - it wasn't calculated to a 4 - then ran the calculation. Google doesn't do that, all pages start with a 0 or 0.15 PR then start calculations.

    So it's accurate if you start all pages at 0 then create the link structure and go from there.

    I talk about this in the FAQ.

  9. #9
    SitePoint Evangelist Expressweb's Avatar
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    I think besides this it also matters in which way its been linked for example In BOLD OR BOLD WITH UNDERLINE


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