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Dense business essays and tech insights, written where experience meets code.

Finding the True Owner of Branded-Search Conversions with GA4 Attribution, When PPL and Viral Reach Get Harvested as Search

How to trace the true source of branded-search conversions using GA4 attribution. Covers the structural limits of first-touch tracking and the dark funnel, and a ledger-versus-estimate framework for measuring PPL effects.

Jul 11, 2026·16 min read

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How to Stop Losing UTMs: A Pixel-Free Ad Tracking Design Found on Claude's Site

A live test of why UTM parameters and gclid get lost in cross-domain conversions, and how Claude's site (claude.com) designed pixel-free ad tracking. Includes results from a Naver click ID (NaPm) experiment.

Jul 11, 2026·17 min read

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