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Google Algorithm Change History

Google algorithm updates and data refreshes

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Google Algorithm Updates of 2002

Complete list of Google algorithm updates for 2002.

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# Date Update Update type Noticeable effect
1 September, 2002 First Algorithm Update Unclear No estimate given

First Google Update: September, 2002

Change in Ranking Signals

Google algorithm update history began with a shaky start. The first update seemed to some to do more harm than good. The intentions of this first update are unclear, but for a couple of weeks Google's search results fluctuated—seemingly for the worse—and even began serving 404 error pages on the first page of the SERPs.

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