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Inspect, validate, and export the Google Tag Manager dataLayer Strata — The Developer's DataLayer Inspector Stop guessing if your GTM dataLayer is working correctly. Strata gives you real-time visibility into every dataLayer.push() call, with powerful validation and export tools built for developers and technical analysts. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔍 REAL-TIME EVENT CAPTURE • Intercepts all dataLayer.push() calls as they happen • Color-coded event categories (GTM, Ecommerce, Custom, Errors) • Multi-container GTM support • Pause and resume recording anytime • Search and filter through captured events ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ SCHEMA VALIDATION Define expected event structures and validate automatically: • Type placeholders: @string, @number, @boolean, @array, @object • Optional fields: @string? won't fail if missing • Enum validation: @enum(USD, EUR, GBP) • Auto-generate schemas from captured events • Import/export schemas as JSON files Perfect for catching tracking issues before they reach production. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📤 EXPORT OPTIONS • JSON: Export events for debugging or documentation • Test Assertions: Generate Playwright or Cypress test code • Evidence: Create PDF documents for QA reports ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⌨️ DEVELOPER EXPERIENCE • Keyboard shortcuts (Alt+Shift+D to toggle) • JSON tree view with syntax highlighting • Copy events to clipboard • Quick popup view from toolbar ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 PRIVACY FIRST Strata operates entirely locally. No data is collected, transmitted, or stored externally. Your dataLayer events never leave your browser. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW TO USE Open Chrome DevTools (F12) Go to the "Strata" tab Interact with the page to capture events Create schemas to validate structure Export as needed ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHO IS THIS FOR? • Frontend developers implementing GTM tracking • Technical analysts validating data layer implementations • QA engineers testing analytics setups • Marketing technologists debugging tag configurations