# How many PR X IBL's does it take to get PR (X+1)?

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Suppose that a website only has links from PR X sites. How many such
links would it take to get to level X+1?

i

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## Re: How many PR X IBL's does it take to get PR (X+1)?

Ignoramus10824 wrote:

The PR system is not linear
so the question has to be rephrased. To climb from PR0 to PR1, a few weak
links would do. To move from PR6 to PR7, these links are negligible and
more links of the same 'level' are probably needed.

The main point is that PR cannot be explained by that formulation above. You
have more than a single parameter to tweak.

Roy

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## Re: How many PR X IBL's does it take to get PR (X+1)?

Roy Schestowitz wrote:

logarithmic, probably base 8 (which is easy in computers).

My experience: one PR6 can make a PR4 (external)
PR7 can make a PR5 (external, maybe even 6)

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## Re: How many PR X IBL's does it take to get PR (X+1)?

Actually a PR7 can make a PR7 and a PR6 a PR6.

All depends on the true PR of the page, toolbar PR7 for example covers
an enormous range that a high PR7 can have many times (at least up to
5 times based on what most think the base for PR is) more PR than a
low PR7. Just looking at a page in isolation doesn't tell you if it's
high or low though. Also depends on the number of links from the PR7
page, if it's low (say 3 links) and you have a high PR7 page it will
create a low PR7 page.

The same page (in PR terms) with 10 links from it will not create a

Doesn't depend on other links if the PR is high, the above can be
based on no other links to a page.

BTW I've tested this with a high PR7 page (with just two links from
it) and seen it in action.

David
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## Re: How many PR X IBL's does it take to get PR (X+1)?

SEO Dave wrote:

Which seems to be 8, and hence it can be close to 8 times more.

But on average, the above is what I see, of course there are exceptions, as
I said:

etc. includes of course this.

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