GTM DataLayer Detective

Real-time monitoring of Google Tag Manager dataLayer and GA4 analytics events

GTM DataLayer Detective helps developers, analysts, and marketers validate their Google Tag Manager and GA4 implementations faster. View GTM dataLayer events and GA4 network requests side-by-side in a single DevTools panel, making it easy to verify event firing, inspect parameters, troubleshoot tracking issues, and understand what data is being sent to Google Analytics. Why install GTM DataLayer Detective? See GTM dataLayer events and GA4 requests in one place Debug analytics implementations in real time Search and filter events instantly Preserve activity across page navigations Export captured events for analysis and sharing Support for multiple GTM containers on the same page Whether you're implementing GA4, validating a GTM deployment, or investigating tracking issues, GTM DataLayer Detective provides a faster, more intuitive way to inspect analytics activity without digging through the console or network tab.