Google Consent Mode Explained (React + TypeScript)

Privacy-First Analytics for Modern Web Apps (Part 2) To address the data-loss problem (see Part 1), Google introduced Consent Mode . The goal is to allow analytics tags to load before consent , but with restricted behaviour. What Advanced Consent Mode does With Advanced Consent Mode: User visits site ↓ Google tag loads ↓ Consent state = denied ↓ Cookieless pings sent These pings may contain: page URL timestamp browser / device type approximate region But they do not set cookies . Google uses these signals to estimate user behaviour. Basic vs Advanced Consent Mode Basic consent mode: Google Analytics loads only after consent Advanced consent mode: Google tag loads immediately with restricted tracking Implementing Basic Consent Mode (React + TypeScript) Example cookie consent logic: import ReactGA from " react-ga4 " export function enableAnalytics () { const GA_ID = process . env . REACT_APP_GA_ID if ( GA_ID ) { ReactGA . initialize ( GA_ID ) } } Called when the user clicks Accept . Impl