According to a new report by MediaMind, conventional audience measurement metrics that do not adjust for user cookie deletion overestimate the number of unique users by up to threefold. MediaMind’s method of measurement, the adjusted unique, divides the number of total impressions by the average frequency of cookie deletion. The study was based on 26 billion impressions served in the U.S. and Europe from January to December 2010.

More in Media
YouTube’s AI remix push exposes a looming reckoning for the creator economy
YouTube’s Gemini Omni integration has highlighted some of the major problems generative AI poses in the creator economy.
Why creator Lola Torres prefers the stability of affiliate marketing over brand partnerships
Creator Lola Torres on the hustle of building her career in affiliate marketing, the challenge of creator programs, and more.
Media Briefing: Perplexity’s new ‘trust and transparency’ pitch does little to win over publishers
Perplexity wants to be a trusted partner to publishers, but a growing list of copyright lawsuits are making that a difficult sell.