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I've checked many sites and tried to match the PR to the number of internal pages (all having link to home) to the number of external links (with their PR) and nothing consistent came up.
Anybody? Anything?
Help! I need some peace of mind :)
evidence? no, unfortunately not.
However, should other pages have inbounds links and the home page is directly linked to this (or at least close enough) then PR would be added.
Having numerous pages (other than home page) that site owners link to has allowed deeplinked pages (5 deep) to retain and pass on PR evenly thoughout the site and at the same level of the home page.
However, should other pages have inbounds links and the home page is directly linked to this (or at least close enough) then PR would be added.
On some sites, internal pages often have inbound links from external sources that range from directories like the ODP to related content sites. I think a lot of us forget that when we make assumptions about PageRank being only "trickle-down" and never "trickle-up."
On a site now with 600 pages, all but a dozen (mostly new) are PR4 and above.
50+ pages have inbounds, three of which have almost as many as the home page.
I really don't believe these same pages pass more PR back to the home page since that PR began there (they really don't have their own externally generated PR to pass on).
That's the part I'm having a problem with.
If any given page did not have a PR of it's own - where would it all start?
In that case all PR's of all pages would be 0 :)
Any page must have some PR in order for the formula to work and if you are not going to integrate (which would be an impossible task for a billion of pages) but would rather assume some start value and iterate - then you do need some value to start.
Many internal pages haven't got a lot of PR to pass on and it is often split up in 10-20 internal links, which means that the value of most internal pages is low. However, I have managed to boost PR of main category and frontpage from PR6 to PR7 just by improving the internal link network
It's the log scale that confuses people. If you double your PageRank, the Toolbar scale only goes up 0.3 to 0.4 of a notch, which of course is not visible unless you move from one notch to another.
6 * 2 = 12, but logn(n^6 * 2) = 6.3 or 6.39, assuming a log base 'n' of 6 or 10. The rank source is therefore unimaginably small, and while internal links do count, they don't help as much as some people think.
We tend to assume that the rank source is uniform, so the tiny start value at each iteration is the same for all URLs. This need not be the case, though, and the early Backrub papers describe how a non-uniform rank source can be used to create a personalised PageRank.
