T Themerella
Technology

Google Tag Manager detection

Category: Analytics / Tagging. Themerella detects this technology from public website evidence and shows confidence in the report.

Safe public URL scan. Results include technology evidence, SEO checks, security headers, accessibility basics, and a developer fix list.

Detection evidence

How Themerella detects Google Tag Manager

googletagmanager.com/gtm.js and GTM container IDs.

Report value

Every detected technology should include category, confidence, evidence, and practical risk/context so the result is useful beyond logo recognition.