Purpose-first metrics: how to stop event taxonomy drift
A metric name says what to count. A metric purpose says why the count exists, which decision it informs, and when the definition should change.
Read articlePoolstatis Journal
Better product decisions, written down.
Practical notes on product measurement, instrumentation, and analytics for coding agents.
Featured article
Product analytics for coding agents: a practical architecture
How to let an agent measure what it ships without giving it raw SQL, an unbounded event catalog, or permission to redefine business meaning.
Read the architecture guideLatest notes
03 publishedPrivacy-bounded browser analytics: collect decisions, not pages
Browser analytics can answer product questions without copying the page, recording form values, or sending raw URLs to the analytics backend.
Read articlePut the measurement contract to work.
Start a managed workspace or use the source-available core in your own environment.