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Just a quick question. I know that google SERPs change based on which DC you hit. I'm looking at SERPs for a specific kw on google.co.uk. I then thought to have a look at the different datacenters by keeping all of the filtering params (geo, etc) the same by simply pasting the DC in place of www.google.co.uk in the URL. The results are markedly different. The results that I see are the same, whatever DC I use or C block (I replaced the DC IP with the GFE equivalent).
So, my question is simply: what data is being applied last minute that is not visible on the DCs? The site I work on appears higher in the DC results, meaning that if I could know what data was being applied I could perhaps work on improving that to increase my rankings.
If this has been properly answered before I'd be happy to be pointed in the right direction.
[edited by: tedster at 7:25 pm (utc) on Jan. 28, 2008]
[edit reason] no specific search terms, thanks [/edit]
You are right that there are multiple ways to get at the data:
- google.TLD (.com and various countries)
- The IP address (Class-C block: like 220.127.116.11)
- The GFE names (and -2, -3, -4, like gfe-rn.google.com)
- The GFE-in-fIP names (like eh-in-f44.google.com)
Not sure that I know the answer but for me there is a strong relationship between the [allinanchor:search term] when I use a DC checking tool or google.com and what I see for normal search on .co.uk. I've asked many times what is allinanchor really reporting but have never got a good answer.
I suspect that you can do a lot for yourself by focusing keyword anchor text throughout your own site at one page that you want to improve the ranking of for that term.
Some things that have been suggested are:
Inbound links (are they more from the region your in, eg: UK)
Click through rate - are people from the particular country less likely to click through to your site?
Geo-targeting penalty - using too many geo-targeted words.
This filter has been in place since late 2006, and as yet, no one has been able to figure it out! My site has the same problem as yours and it is very annoying not knowing what it is.