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The pagerank scale seems stretchy!

     
9:10 pm on Jul 15, 2011 (gmt 0)

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Google.ca (Canada) is now PR7, I believe it was 8 last month. While that might be because of fewer quality inbound links I somehow doubt it and it can't be because of content, there isn't any.

A guess - they stretched the pagerank scale. It takes more links of equal value to achieve the same as fewer could before the update. Google.ca had enough pagerank value to equal 8 prior to the update but afterwards that same value is only worth a 7.

Potential impact, to internal links especially, is that our sites aren't propping themselves up in the same manner they were before the update, or more accurately the internal link structure doesn't have the same support strength.

Potential remedy: More. More content and more internal links. You can control those and internal links are the easiest to get. If you have several PR3 pages and link them to another PR3 page it can and does elevate to PR4 or PR5 in a future update, assuming they were relevant.

So, did Google stretch the scale? If so, could this be playing a huge role in the creature that is Panda? Just throwing more ideas and observations out there, if you can't disprove it you have to consider it.
2:29 am on July 16, 2011 (gmt 0)

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Yes, the PageRank scale is "stretchy" - but not because of Panda. The mathematical definition of PR insures that the scale stretches because:

1. it always goes from 0 to 10
2. the scale is not linear but roughly logarithmic/exponential

So as the total number of URLs in the index grows, the 0 to 10 PR scale must be something like a rubber sheet, making room for the new URLs and new links. And because the scale is not linear, there is a general tendency to make it harder to get a higher PageRank number - even though as a relative signal of strength a URL compares quite well to others.
7:51 am on July 16, 2011 (gmt 0)

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Personally I think that a few years ago Google saw the damage that was caused by their providing the tool bar PageRank indicator. The concept of PageRank was (and still is) great and this is what made Google's results so much better than the rest back then. They did not anticipate its use as a currency in SEO when they let us have it.

When not manipulated it is still a valuable ranking tool and if it were invisible it would become so again. Could they be moving towards making it private?
3:29 pm on July 16, 2011 (gmt 0)

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So, did Google stretch the scale? If so, could this be playing a huge role in the creature that is Panda?

So, is everything going to be attributed to Panda from now on, even something as basic as how PageRank functions?
3:45 pm on July 16, 2011 (gmt 0)

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Panda isn't involved. The routine re-calibration of the Toolbar PageRank display that Tedster explained has been with us for many years now. It seems that the effects have been more pronounced lately, perhaps because the number of pages on the web has exploded in the wake of social media.
3:46 pm on July 16, 2011 (gmt 0)

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It seems like the 'rich poor divide' reports you get that claim the divide is getting bigger.

Because the maximum toolbar PR is 10, those top sites getting huge volumes of links day in day out are making the smaller sites seemingly have lower PR. That's how I see it anyway.

I would hazard a guess that google.ca would most of the time only get links from canadians, how about google india or the like? Emerging economies with more people getting online linking to things. google.ca's slice of the cake is getting smaller but..... it's all relative.
6:18 am on July 17, 2011 (gmt 0)

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My experience seems to be different with internal links. Internal links has rather proven fatal for my sites, than fruitful.

Probably it has to do with niches also, but my sites PR dint move an inch when i concentrated on the internal linking. Ofcourse, Panda update might have changed things now.
9:05 am on July 17, 2011 (gmt 0)

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So, is everything going to be attributed to Panda from now on, even something as basic as how PageRank functions?


Actually I wasn't attributing it to Panda, I was wondering if the PR scale change(If Google Canada droping to PR7 is an indication of change) that just happened is getting rolled up into what we are calling Panda.
12:28 pm on July 17, 2011 (gmt 0)

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Page rank is sketchy, I have one website with 1000 pages all page rank 3! I myself have never seen a website where the entire website is the same page rank to include all the inner pages.
5:54 pm on July 17, 2011 (gmt 0)

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Just noticed twitter.com has 0 PR. And does anyone know if addthis button effects PR.
Thanks
4:02 pm on July 18, 2011 (gmt 0)

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There does seem to be some sort of bug, or perhaps an update going on.
Sites that improved to PR3 and PR4 last month have reverted to their previous levels.
4:20 pm on July 18, 2011 (gmt 0)

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Actually I wasn't attributing it to Panda...

Sorry for my misreading. My crotchety, grumpy old man side has been coming out as I've seen Panda being named as the cause for all the problems of the Western World over the past few months.
4:57 pm on July 18, 2011 (gmt 0)

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TBPR seem to be in flux at the moment.
Noticing PR0 for Twitter which is impossible.

Seeing TBPR change on couple of my sites. One drop from 4 to 2 and on other domain noticing HUNDREDS of inner pages move from 0 to 4