--- title: "CTR (Ad)" slug: "ctr-ad" updated: 2024-03-14T10:44:15Z published: 2024-03-14T10:44:15Z canonical: "docs.mapp.com/ctr-ad" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.mapp.com/llms.txt > Use this file to discover all available pages before exploring further. # CTR (Ad) **Shows the ratio of Impressions to Clicks for a specific ad in Google Ads.** This metric is imported when using the [Google Ads API](/v1/docs/setting-up-google-ads-api). If you have questions about the definition, please use the Google Help. The name of the metric there is "Clickthrough rate (CTR)".