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Nope.
> I'm starting to wonder if it could be a test bed for algo changes as much as just being minty. Any chance of that?
I hope so. GoogleGuy told us just before the last dance that they were experimenting a bit with freshbot. Its behaviour this latest week might fit well into such a pattern. Personally I have been wondering if my new design, launched a week ago, might be a reason for Google not giving me fresh tags. I prefer the possibility that it's a general problem caused by experiments.
Specifically, my freshed homepage drops off the index, allowing a spam site of lower PR but with really simple on-page optimizations to take its place.
Then - mystery upon mystery - I click the search button again and my freshed page reapppears.
This happens also on Yahoogle and when using other browsers.
My best guess for this one is that you are jumping between Google data centers. Some of which have different results at the time. Google has at least 7 known data centers, depending upon which one you get connected to the results will vary. Not just for the monthly update, and everflux, but also for freshbot updates.
Personally I find Y! and AOL to be totally consistant with results, albeit a few days behind the Google results at times. ;)
But in any event, I still don't understand why my homepage disappears when refreshed and the index substitutes the next ranking page. My best guess is that Google doesn't always pick up the backlinks when calculating fresh pages, or in some other way penalizes them in comparison with the stable "montly crawl" page (which remains on the index and can be located via the url).
I wondered if maybe Google has decided that allowing fresh pages their full score would create a wave of spamming.