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Currently at the bottom of each page of each site I have links to the home pages of my other sites. Many of the pages that link to the others are PR4 and so they show up as backlinks for Google on those sites.
I wonder what the effect on each site's PR would be to just have one page for each site that lists all of the other directories? I could put that on my current 'about us' page for each site which most currently have a PR of about 5. Every page on the site links to the 'About Us' page.
So, it would basically be having a link on all of the pages of a given site to the single 'about us' page for the site, which would then link to all of my other sites.
From a PR perspective, doesn't google take into account if there are dozens or hundreds of backlinks all from the same domain and lower their overall value in terms of PR? So, then wouldn't it be about the same in terms of PR for all of the sites if I just link to all of my sites from their respective, one-per-site 'About Us' pages?
Does anyone have any ideas whether they think the net effect would be the same in terms of PR for the sites? I understand that there are no definite answers about a lot of these issues, but I would be very interested to hear people's opinions/comments about this in case I'm doing something that could lower the PR of my sites.
