GTM Scanner

GTM Scanner detects and analyzes Google Tag Manager (GTM) containers loaded on the current webpage and reports tags, triggers, and variables in a clear, readable format.

【Who it's for】
• Marketers and developers who need to audit GTM implementation on their or clients' sites
• Anyone who wants a quick overview of tag types and firing conditions
• Teams documenting or auditing GTM setup

【Features】
• Auto-detects GTM containers on the page
• Shows tag counts and breakdown (GA4, UA, Ads, Custom HTML, etc.)
• Displays trigger types, conditions, and associated tags
• Lists variables (built-in and custom)
• Indicates container size and impact on page speed
• Export scan results as JSON

After installation, click the extension icon on any webpage and tap "Scan this page" to see a summary of the GTM setup in use. Ideal for tag management audits, handovers, and documentation.