For advertisers bidding on a maximum CPC basis, Quality Score on the Display Network is evaluated on the:

For advertisers bidding on a maximum CPC basis, Quality Score on the Display Network is evaluated on the:

• A) clickthrough rate (CTR) of all keywords across the account and relevance of the ad text and keywords to the advertiser’s landing page
• B) click-through rate (CTR) of the ad and relevance of the ad text and keywords to the publisher’s site
• C) Quality Score of all campaigns and regional targeting settings
• D) Quality Score of keywords across all campaigns and all ad groups