가. Understanding CTV KPIs: How to Measure the Success of Your Connected TV Advertising Campaign When it comes to CTV advertising, the KPIs that are most commonly used include: 1. Reach: The number of unique viewers that have seen your ad. 2. Impressions: The number of times your ad has been viewed. 3. Viewability: The percentage of impressions that were viewable, meaning they were seen by the vi..