Is Google Using Several Algorithms at the Same Time?

March 25, 2005

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Is Google Using Several Algorithms at the Same Time

To analyze Google results on several Google data centers we have developped a free online tool called Google Data Centers Analysis Tool.

"Group A" that displays 865 results

"Group B" that displays 189 result

"Group C" that displays 217 results

We have tested it with several URL and found the same type of results with 3 "groups". If you do the same test for your site, do you see the same 3 "groups"? As we keep track of our backlinks results over time for some of our sites, we have even noticed that one group displays the same results than in January and another group displays the same results than February. Our conclusions for this test:

One group of data centers displays results from January

Another group of data centers displays results from February

The third group displays results results for March

List of data centers that displays March backlinks results:

216.239.37 www-va

216.239.39 www-dc

216.239.59 www-gv

66.102.9 www-lm

66.102.11 www-kr

List of data centers that displays February: List of data centers that displays January:

66.102.7 www-mc

216.239.57 www-cw

216.239.53 www-in

(for each data center, we have used the .104 server. For example, for data center 216.239.53, we tested it on 216.239.53.104) Questions Why Google has decided to do this? According to several SEO, Google might test several algorithms at the same time. Other think that Google is broken (hardware or software problems with its huge index). We have done a similar test using keywords instead of link command but the results did not match whith what we have found with our first test... So it's not so simple! To analyze several keywords rankings on several Google Data centers we have also used Agent Web Ranking (The full version of this software is free for 15 days,

Web Rank Expert

book about Google

Agent Web Ranking

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