https://www.emarketer.com/chart/232533/us-programmatic-ad-performance-metrics-cpm-cost-per-click-clickthrough-rate-by-format-2012-2018
Forecast is of average programmatic CPM, CPC and CTR rates for display, mobile, video and social from 2012-2018.
ad performance metricsusprogrammaticcpmcost
https://www.webfx.com/blog/ppc/digital-advertising-metrics/
Want to increase your return on ad spend? Discover the top 16 display advertising metrics you can measure to enhance your ad campaigns' success.
display advertisingtopmetricsboostperformance