Approach 1 — Google Tag Gateway
Tag Gateway Sandbox
Click a button to fire an event. Watch DevTools → Network — the HTML loads from
www.googletagmanager.com but Cloudflare intercepts and serves it
from your own first-party domain automatically.
How to verify in the meeting:
Open DevTools (F12) → Network tab → reload the page.
The HTML snippet says
GA4 collect hits also route through your domain — no direct browser-to-Google connection.
Open DevTools (F12) → Network tab → reload the page.
The HTML snippet says
www.googletagmanager.com — but in the Network tab
the gtm.js request resolves to YOUR domain (Cloudflare intercepted it).GA4 collect hits also route through your domain — no direct browser-to-Google connection.