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Question about Quality Score

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# 1
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Normally, when I upload new Keywords, QS comes. As per google, QS is calculated every time my ad goes to auction. But here, firstly the QS changes from 10 to 7 without any impression. Also, may times QS changes from 7 to 4 with only 1 impression. Why this happens ?

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Marked as Best Answer.
Accepted by Theresa_Zook (Top Contributor Alumni)
September 2015

Re: Question about Quality Score

Top Contributor
# 2
Top Contributor


Your initial QS - is based on other advertisers' QS (for the exact match type) for a given KW. Once the campaign reached 1000 impressions, there is enough statistics to calculate your own QS (for every auction)

That might be the reason for the fluctuation in QS you have experienced


Moshe, AdWords Top Contributor , Twitter | Linkedin | Community Profile | Ad-Globe
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