A container for ad group criterion quality information.
| Fields | |
|---|---|
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                   Output only. The performance of the ad compared to other advertisers.  | 
              
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                   Output only. The quality score of the landing page.  | 
              
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                   Output only. The click-through rate compared to that of other advertisers.  | 
              
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 Output only. The quality score. This field may not be populated if Google does not have enough information to determine a value.  |