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Different Serps On Different Pcs With Same Ip
Posted 28 May 2005 - 05:13 AM
A client asked me to his office two days ago to show me something he found unusual. I had optimised his site for 5 main key phrases, and he was doing his weekly review as advised. He ranked very well for all terms, 3 1st positions in MSN, plus a 3rd and 4th position. However, on Google something odd was happening: one computer showed his site on page 1 for all five terms, whereas the computer next to it showed his site anywhere from page three to five. Both searches were conducted simultaneously, and both computers share the same IP.
I returned home and conducted the same test on the three computers in my office, all sharing the same IP, and found no discrepancy. The SERPs were identical, and matched the best results from one of his computers. What was happening?
There was but one minor difference between the two machines in his office: The one showing the bad results just happens to be the machine he uses to manage his PPC and AdSense campaigns.
btw My advice was that he should always use the other machine to check how he's doing in Google, since it showed the better results.
Posted 28 May 2005 - 08:04 AM
Posted 28 May 2005 - 08:20 AM
I'd heard that it might have something to do with different data centres, but for the life of me can't work out why that would be so when both PCs are running off the same IP, and the queries were made at exactly the same time. Especially as the results matched my own tests back here in the office.
And of course my suspicious mind was twitching because the less good results come on the computer with Google cookies, but the client says he deleted all cookies since then and the same thing continues to happen. But it's not much of a problem if every other searcher retrieves the same good results as I have gotten.
Posted 28 May 2005 - 09:04 AM
Posted 28 May 2005 - 04:09 PM
Posted 28 May 2005 - 04:12 PM
<OWG proves he is a black hat at heart lol>
Posted 28 May 2005 - 04:25 PM
Posted 28 May 2005 - 04:30 PM
Scottie it was a classic 'matter V antimatter' situation my hair was going so it didn't matter. As for anti matter well an asociate in nursing (AN) told me that terrestrial Interference (TI) cause me to go bald! I thought it was a bic
Posted 28 May 2005 - 04:32 PM
Posted 02 June 2005 - 01:29 AM
<OWG proves he is a black hat at heart lol>
OWG, I need both machines I'm getting different results on, so I'll pass on the advice for now.
After months and months of waiting for google to list me on the search term I wanted it to find me on, I got a result the other night at my home pc that put me in 11th place - an absolute surprise after no listing under the search term in the first 20+ pages! (other search terms put me 1st, 3rd etc)
When I check the same search at work, however, I get the old 'can't find you in the first 20 pages' result.
Thanks to this discussion I understand now that I might be hitting different data centres, but how is it possible they could be so vastly different? And what does it mean for the average search out there - will they get my home result or the work one?
I've been trying for months to improve the site and links etc to get a better ranking, but now I don't know whether to try and do something different to improve the ranking or wait until the datacentres are aligned? (Will they ever align and give the same result?)
I suppose I'd like to know: Is my new home result a promise of a better ranking or do I give up once and for all caring about google? <g> (MSN seems to be consistently showing a good ranking.)
I'm so confused.
kind regards to all
Posted 02 June 2005 - 02:23 AM
Posted 07 June 2005 - 10:31 AM
Think of load balancing this way:
1) You go to www.google.com and is handed the IP of datacenter 1
2) Five minutes later google chance the address of www.google.com to datacenter 2
3) You request google on PC number 2 and get the ip of datacenter 2
4) You request google again on pc number 1. You get the datacenter 1 again because that is the IP this browser knows. You refresh pc 2 and still get datacenter 2
5) A new five minutes period and Google.com change to datacenter 3
6) Test person OWG start up two computers within a short period. Both get the datacenter 3 ip.
Something like that will explain what you see.
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