There's some interest in how and why "quality scores" are used in search engine ad auctions. In this post, we will try to describe "why" we use quality scores; a later post will go into "how," including more information about bids.

When a user types a query into a search engine, it will typically return both natural search results and advertisements. Google and other major search engines use an ad auction to determine which ads are shown and how much advertisers pay for them.

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Source : Googleblog.blogspot.com

Lire la suite : http://googleblog.blogspot.com/2008/10/quality-sco...

Date de publication : 2008-10-16

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