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
How Shira Lazar grew social account ‘What’s Trending’ to seven figures in revenue
Shira Lazar saw that creator-led media brands were the future 15 years ago, and now the entire industry has caught on.
Condé Nast, Hearst among 300 media execs to push federal ‘bad bots’ bill on AI scraping
More than 300 publishing execs are heading to Washington, D.C to push Congress to crack down on AI bots that scrape their content without permission.
Digiday Publishing Summit September 2026 Recap: How publishers are rebuilding for the post-search era
Execs at DPS described how they’re preparing for a post-search era by prioritizing direct audiences, diversified revenue and AI strategies.