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Google Algorithm Change History

Google algorithm updates and data refreshes

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.

Further Reading


See More Google Algorithm Updates by Year

Your rankings aren't what they once were?. Get back to the basics of search engine optimization .

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