CTR
Also known as: Click-through rate
CTR (Click-Through Rate) is the percentage of people who clicked an ad after seeing it — a core measure of ad relevance and creative strength.
CTR (Click-Through Rate) shows how compelling your ad is.
CTR = Clicks ÷ Impressions × 100%
A higher CTR usually means more relevant targeting and creative, and on Google Ads it feeds Quality Score, which can lower your CPC. CTR measures interest, not results — pair it with conversion rate to judge real performance.