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In reading different threads on a number of the forums I post on, I have noticed that some people have forwarded the idea that there has been a change in the PR algorithm.  This is their responce to the falling of PR on a large number of internal web pages that we have all been hearing about.

I keep a list of all or most of the PR10 pages on the internet and 37 out of 152 pages dropped from PR10 to PR9s in the last Oct 5th toolbar PR update. This is not uncommon, back after the March 16th toolbar PR update of this year it was recorded that at least 24 or more PR10 pages dropped down to PR9s.

The PR10 pages were not the only place were there were toolbar PR dropped but as we know how many PR10 page there are, we can product stats to show what per cent of them dropped off. Having 26% of the pages in one toolbar PR value dropping down one level is no small thing. 

So if it is not a PR algorithm change, what is it and what do we do to protect ourselves from it? 

As Google’s index gains in size, if sites are not getting more links and there by gaining in PR they will drop from one toolbar PR unit range to the one below. This happens when the pages real PR is close to the bottom border of where a toolbar PR range starts.

As far as internal pages dropping, this is also a normal thing when the home page drops in real PR value. If a site has most of it inbound links to the home page and the site has good link structure (fully meshed) the toolbar PR of the web site subpages will reflect the strength of the home page.

When you see a home page at PRx and all the main fully meshed subpages at PRx this indicates that the home page real PR is in the higher area in the toolbar PRx range. When you see the subpages at PR(x-1) then the strength of the home page is more of a medium value and then you see the subpages at PR(x-2) the home page’s real PR is in the lower area of toolbar PR range.

Personally I don’t think that the PR algorithm has been tightened up at all. Perhaps the Ranking weight of links has been changed to devalue site wide links etc. but with the average of all pages in the Google index being 1 you can’t start discounting the PR of a large number of pages with out affecting that over all average.

So what does this mean to the average Joe webmaster?  It means that adding links has to be an on going process.  For those with more time on their hands than money this means you will need to do quarterly reciprocal links campaigns or even smaller monthly campaigns. 

For those whose Rankings bring in revenue, it means buying the links you need to maintain your current Rankings.  This of course is where TextLinkBrokers is there to help you!