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900 was a random number used in another post.
“This means that a page with PR2 has 6 times as much power as a page with PR1”
PR is displayed in integers, but pages do not have PR in integers. A PR2.1032243 and a PR2.975243 and a PR3.83625 are related in very different ways, like a 5.1 and 5.9 and 6.8 earthquake.
There is no definitive agreement on the PR logscale, but no way is it less than 6. I’d say it is closer to ten than to six.
900 was a random number used in another post.
Ah yes, I see that now, thanks. Sharpgambler used that number in the other thread.
If you think the scale is closer to 10, then one PR5 link would actually be worth around 10,000 PR1 links. (There’s a difference of 4 PR units here (PR5 – PR1), and 10 to the 4th power is 10,000).
PR is displayed in integers, but pages do not have PR in integers. A PR2.1032243 and a PR2.975243 and a PR3.83625 are related in very different ways, like a 5.1 and 5.9 and 6.8 earthquake.
That makes sense, and that’s a good point. A 5.0 earthquake is 10 times more powerful than a 4.0 earthquake. A 5.3 earthquake is twice as powerful as a 5.0. (10 raised to the (5.3 – 5.0) power equals 2).
Likewise (if the Google base is 10), a PR of 5.3 is twice as powerful as a PR 5.0. Both will visually appear as a PR5 on the toolbar, but you would need two links on the PR 5.0 page to match just one link on the PR 5.3 page.
Also consider these two PR values:
PR 4.51
PR 5.49The PR 5.49 is 9.5 times more powerful than the PR 4.51. And yet, they will both show up on the toolbar as PR5.
