Event Schema Versioning: How to Change Tracking Without Breaking Reports
The most common analytics disaster I get called in to fix isn’t broken tracking — it’s tracking that…
Event schemas, naming conventions, parameters and validation checklists for product analytics — GA4, GTM/data layer, conversion and lifecycle.
The most common analytics disaster I get called in to fix isn’t broken tracking — it’s tracking that…
Every product team I’ve worked with eventually starts looking at retention curves. And almost every team gets the…
“Can’t we just use legitimate interest?” is the question I hear most often from product teams who want…
Cookieless tracking is one of those phrases that means six different things depending on who you ask. Vendors…
Reading time: 11 min · Last updated: April 2026 A data layer is the single most important architectural…
Most SaaS founders I talk to can name their conversion rate to the second decimal. Almost none can…
Every European product team eventually runs into the same legal email: “Has procurement signed the data processing agreement…
I’ve seen cohort grids used to justify bad investment decisions at least three times. Each time, the problem…
Most analytics implementations I audit have the same problem: the team tracks a hundred events nobody looks at,…
Reading time: 10 min · Last updated: March 2026 I once found a misconfigured purchase event that had…