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1. How many links from PR5 pages do I need to establish a PR7 ranking?
2. If you link from a PR5 site, are the links worth less if they come from pages on the site that have a lower PR rating? Or does Google take the sites ranking as opposed to page ranking?
Oh, and is it possible to have a page on a site with a PR ranking higher than its home page?
Thanks,
Jon
The best response -- as many as it takes.
Since you will unlikely receive all PR5 links with only your link on the page the passed PageRank is share by the number of links on the page.
If say every page has 10 - probably 500 - 1000 will do it.
If every page has 100 links then that number would be closer to 10,000
...but 1000 links from unrelated topics wont have the same effect.
Thanks red_bull I neglected to mention that important part. ;)
2. If you link from a PR5 site, are the links worth less if they come from pages on the site that have a lower PR rating? Or does Google take the sites ranking as opposed to page ranking?
Yes, it's PAGERank, not SiteRank. The PR that matters is that of the page from which you get the link(s). That will, of course, be driven by the ranking of the pages linking to it -- including hopefully the home page of the site.
Oh, and is it possible to have a page on a site with a PR ranking higher than its home page?
Yes, but it's not often seen. Most links are given to the home page ... though I'm not sure that is the best for the user. I usually link deep into content b/c that's what I'm referencing for my user. (e.g., when giving help on a particular error message, I don't send people to Microsoft's home page.) And those who link to me are often doing the same.
Usually sites are structured so that visitors and PR are both funneled back to the top of the site. That's the other reason PR is usually highest on the main page.
Jon
[edit]Some grammar corrections [/edit]
So PR7 has 25 to 36 times the weight of a PR5 page.
And as all the above posts say, the PR passed on is divided by the number of links on the page (internal and external). And you don't get many pages linking to you with as few as 10 links!
So with 20 links per page, you would need 500 to 1000 PR5s to get you from PR5 to PR7.
Just guessing from stuff I've read - could be way out!
1000 pr5 links from on topic pages might do it, but 1000 links from unrelated topics wont have the same effect.
The topic or theme of the pages plays no role in PageRank calculation (whether it plays a role in ranking at all at Google is a different topic). So if 1000 on-topic PR5 links would do it, so would 1000 links from identical off-topic pages of the same PageRank.
But again, it depends on how many outgoing links the PR of those linking pages is being split among, what what their precise PageRank is. A site showing a 5 on the toolbar might be just a bit over 5, or just a bit under 6. And there's a big difference between a 5 and a 6, because of the logarithmic basis or the PageRank score.
Yes, it's PAGERank, not SiteRank.
Yes, it's called PageRank, but that is because it is named after it's inventor, Larry Page. You are correct that it is based on the rank of the page, and not the site though.
Yes, it's called PageRank, but that is because it is named after it's inventor, Larry Page.
Yeah, but I suspect the double entendre was part of the decision to call it that. If it was conceived as a way to rank entire sites instead of pages, they might have called it something different if only to avoid confusion. But we'll never know.
A search on google PageRank logarithmic scale comes up with one or two suggestions.
I guess as the scale remains the same from 0 to 10 (or 11?), while the number of pages indexed increases, the logarithmic base must increase over time. i.e. the difference between PR5 and PR6 increases with each update.
