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Proof that Outbound Links Don't Dilute PageRank

by brandonbaker
8 replies
  • SEO
    • |
Site: thicbythink.com

PageRank: 5



Backlinks:



The sole PR5 backlink up top is the only link that's holding up this site's PR5, and there are a whopping 851 external links on the page, and over 1400 links in total.

This also proves that images do in fact pass PageRank, but I feel like that is less in contention.
#dilute #links #outbound #pagerank #proof
  • Profile picture of the author yukon
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    • Profile picture of the author brandonbaker
      Originally Posted by yukon View Post

      Is that bottom screenshot seospyglass?

      I posted a thread here on WF about how others stealing (hotlinking) your images will count as a backlink.
      Yep, that's Spyglass.
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      • Profile picture of the author Black Hat Cat
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        Outbound links don't dilute the amount of PR a page has, it merely dilutes the amount of PR passed through each link. The more outbound links, the less PR there is passed to each link.

        By the way, when I go to thicbythink.com, it has a PR of zero, and is a parked SEDO page.
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        • Profile picture of the author Trent Brownrigg
          Originally Posted by Black Hat Cat View Post

          Outbound links don't dilute the amount of PR a page has, it merely dilutes the amount of PR passed through each link. The more outbound links, the less PR there is passed to each link.

          By the way, when I go to thicbythink.com, it has a PR of zero, and is a parked SEDO page.
          Yep! My thoughts exactly. Even the part about it being parked.

          A PR5 page with only one outbound link will pass all its juice through that link. But if it has 100 outbound links the juice is spread out between them all, thus giving each one 1/100 of it. But either way it has no effect on the PR of the page.
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        • Profile picture of the author GuerrillaIM
          Originally Posted by brandonbaker View Post

          OK, granted, this isn't scientific, peer-reviewed proof. Sorry if you thought I was trying to win some kind of academic award.

          Anyway, I'd like to see an example of "excessive outbound links" not passing pagerank. And I don't mean blog comments, because I haven't seen any evidence that blog comments pass PageRank even on pages with 1 OBL.
          Believe it or not I didn't think you were but you have claimed it is "proof" and I do not believe it is. Making such bold claims without decent evidence can be misleading for newbies.

          Originally Posted by Black Hat Cat View Post

          Outbound links don't dilute the amount of PR a page has, it merely dilutes the amount of PR passed through each link. The more outbound links, the less PR there is passed to each link.

          By the way, when I go to thicbythink.com, it has a PR of zero, and is a parked SEDO page.
          Yes, I agree with this completely. I read the post to mean that the OP was talking about the PR passed onto the sites being linked to.

          It just occurs to me that if this is indeed proof then all sites linked to on that page should have a PR 4-5.

          I don't have the full URL so can't check it but I highly doubt it.
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        • Profile picture of the author Canonical
          Originally Posted by Black Hat Cat View Post

          Outbound links don't dilute the amount of PR a page has, it merely dilutes the amount of PR passed through each link. The more outbound links, the less PR there is passed to each link.

          By the way, when I go to thicbythink.com, it has a PR of zero, and is a parked SEDO page.
          This is correct.
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  • Profile picture of the author GuerrillaIM
    Far from conclusive and contrary to my overall research. Pages with excessive outbound links can stop passing pagerank all together in many cases.

    Finding isolated examples does not constitute "proof" in my book. You would have to take many sites and follow them over a period of time (multiple toolbar updates) before you claim to have any proof of anything.
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    • Profile picture of the author brandonbaker
      Originally Posted by GuerrillaIM View Post

      Far from conclusive and contrary to my overall research. Pages with excessive outbound links can stop passing pagerank all together in many cases.

      Finding isolated examples does not constitute "proof" in my book. You would have to take many sites and follow them over a period of time (multiple toolbar updates) before you claim to have any proof of anything.
      OK, granted, this isn't scientific, peer-reviewed proof. Sorry if you thought I was trying to win some kind of academic award.

      Anyway, I'd like to see an example of "excessive outbound links" not passing pagerank. And I don't mean blog comments, because I haven't seen any evidence that blog comments pass PageRank even on pages with 1 OBL.
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