Max Legrand

Founder of Greyfox Ads.

Up to 75% of publisher traffic never makes it to audience extension. Here's how to plug the leaks

Bot traffic, consent rates, browser protections, DMP syncing and DSP syncing each shave off part of the audience a publisher thinks it can sell.

Sep 16, 2026

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3 min read

Google's audience segments dominate programmatic: what feeds them and why they work

Google trackers fire in most of France's top apps, and DV360 data puts the average Google segment at 88% of cookied users – yet the segments still outperform.

Mar 26, 2026

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5 min read

What broke the open web in digital advertising, and how to fix it

French digital ad spend hit €12.44 billion in 2025, but eight platforms captured 76% of it while news and media sites slipped to a 5% share.

Feb 11, 2026

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14 min read