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One can have the most authoratative page with the most amazing images yet Google will rank a page at #1 with one keyword in the titlebar together with a very poor keyword image.
Tend to disagree with TOI regarding the effect of Panda on rankings. In my experience some pages can still rank very well on page 1 even with a very heavy Panda demotion.
It completely sucked to "down grade" the pages, but that's what I had to do to increase rankings for those pages based on the algo today, so that's what I did.
It seems like the last thing you should do, but they way they rank skank these days, it's hard not to follow suit. It raises the whole design for SEO or design for the user quandary. You never really mentioned, did it improve your results and did it stick?
The first time I did it (307 pages), the traffic went up by 12k visits per day.
Don't know yet, because they're so far behind in getting the index updated they don't even have most of the changes as far as I know.
Have to stress this is just my theory. Have been scouring the web for info on whether they ever reset personalisation and how and why, but came up with nothing. Seems like the SEO community isn't interested in it even though it plays a part in sending traffic. Anyone who has info to chip in, please do!
I'd guess a lot of personalisation comes from browsing history and you can only store so much against a Google account - before it needs wiping to make more room.
therefore the only time I see any kind of personalisation
Being logged in to your Google account certainly affects results on a session basis, but I haven't noticed anything surviving cache clearance, so imagine anything stored is only on the local end.
This is something
I thought that's what the "YouTube" tab was for at the top of the page.