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All 3 pages had received approximately 50 FB likes, 1 tweet from an account that tweets on this subject, and 1 G+ from an account that shares on this subject.
I then posted 7 blog comments on articles that were on the exact same subject with the same keywords in the title or had close synonyms, with a link pointing to keyword1 and keyword2. I left keyword3 alone. All the links were not keyword laced with 6 being links under my name and 1 a bare url. All of them were "no follow."
Keyword1 dropped from the serps the next day. It reappeared the next day at the top of page 2. It bounced on page 2 for a week then settled at position 13
Keyword2 remained unchanged for a week, bounced to down 1 position for a day then moved up 2 positions before settling back to it's original position at the moment.
Keyword3 remained unchanged during this whole process.
I've sat and watched bouncing right after changes that stabilize over time.
Me, too. I mentioned that observation too, right after the patent hit the light of day. I'm thinking it may actually be applied, but only in very specific cases. My guesswork, not Google's official statement at all.
[After redirecting an EMD] We've not experienced a rise quite so meteoric, but are definitely bobbing back to the surface. 40s last week, 36 over the weekend and 20 this morning.
Fell to mid 40s over the weekend. Decided not to touch a thing and hold fast just in case this was some sort of google a/b test. Then we popped up at no.9 this morning.
[Less than 1 hour later] Errrr... no.5 now
I have gone from page 1 for years and years to nowhere to be found, to page 15, to page 2, page 7, and now whatever page 250'ish is on.
We're hovering around positions 5 - 8 at the moment. We used to be #1 but still many pages to get picked up and redirected.
If it's not Rank Modification for Spam Detection?
My guess - it's a long a slow process of new data integration in the the rankings.
Why exactly would that "slow process of new data integration" cause bouncing rather than just a stable shift in rankings?