Cost Per Impression (CPI)

Definition of Cost Per Impression (CPI)

The amount an advertiser pays for each thousand impressions of their advertisement.

Explanation of Cost Per Impression (CPI)

Cost per impression (CPI), also known as cost per mille (CPM), is a metric used in digital advertising to measure the cost of displaying an advertisement 1,000 times. Advertisers pay based on the number of impressions their ad receives, regardless of user interactions. CPI is commonly used for brand awareness campaigns where the goal is to reach a large audience. It helps advertisers understand the cost of gaining visibility and exposure. By analyzing CPI, businesses can optimize their ad spend, improve campaign performance, and achieve their marketing objectives. Effective use of CPI ensures that ads are seen by the right audience at the right time.

This dictionary entry was written by

Per-Gulbrand Peter Braathen

With a foundation in doctoral-level research, Per-Gulbrand Peter Braathen is a seasoned expert in the areas of marketing, branding and communication. His proficiency extends to marketing management, branding and communication strategy. Braathen's experience is underscored by his rich background from various industries, including entertainment. A distinguished alumnus of the USC Marshall School of Business, Braathen boasts a Master of Science in Marketing, complemented by a Graduate Certificate in the Business of Entertainment from the USC School of Cinematic Arts as well as two undergraduate Bachelor degrees from the esteemed University of Southern California.