GA4 tutorials, audits, and field notes from the team building Tagfire.
How to monitor GA4 for tracking failures — what to watch, how to set thresholds that do not produce noise, and why synthetic replays and statistical alerts catch different things.
The full GA4 ecommerce event sequence with working dataLayer examples — view_item_list through purchase, the items array, and the mistakes that break revenue reporting.
Why a parameter can be collected perfectly and still be invisible in every GA4 report — how registration works, the limits that bite, and how to find the gap in your own property.
A repeatable GA4 audit process: what to check, in what order, and how to tell a real problem from a cosmetic one. Includes the six findings that appear in almost every account.
A complete technical checklist for Google Analytics 4 and Google Tag Manager — collection, configuration, consent, campaign tracking, and governance. Verify each item before you trust a single report.