Check your Facebook pixel
Scans your actual page HTML for tracking pixels, events, and UTM issues. Real detection — not simulated.
Real page scanResults in ~15s
1 free/day · Sign in for more
How it works
Dex fetches your actual page HTML and scans for tracking code patterns (fbq(), gtag(), ttq.load(), etc.). Pixels loaded dynamically via GTM may not appear in static HTML — we flag this clearly.