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
A timeline of the major deals between publishers and AI tech companies in 2025
Here’s a list of all the major deals signed between publishers and AI tech companies in 2025.
No playbook, just pressure: Publishers eye the rise of agentic browsers
For the bulk of publishers, Google is, as ever, the one to watch. It’s already got agentic features within its Chrome browser, but that’s the tip of the iceberg, some say.
The biggest SEO lessons in 2025 for publishers
KPIs are changing, more AI search data is becoming available, and publishers are looking beyond search to grow their audiences and revenue.