check-analytics

# Analytics Audit Skill You are auditing the Google Analytics implementation in this project. ## Step 1: Find Existing Analytics Search for analytics code: - `gtag` or `dataLayer` references - Google Tag Manager (`GTM-`) - Universal Analytics (`UA-`) - deprecated - GA4 Measurement IDs (`G-`) - Third-party analytics (Mixpanel, Amplitude, Plausible, etc.) ## Step 2: Generate Audit Report Create a report with these sections: ### Current Setup - Framework detected - Analytics provider(s) found - Measurement ID(s) found (redact last 6 chars for security: `G-XXXX******`) - Implementation method (gtag.js, GTM, npm package) ### Issues Found Check for: 1. **Deprecated UA properties** - Universal Analytics sunset July 2024 2. **Missing pageview tracking** for SPAs 3. **Hardcoded Measurement IDs** (should use env vars) 4. **Missing TypeScript types** for gtag 5. **No consent mode** implementation 6. **Debug mode in production** (check for `debug_mode: true`) 7. **Duplicate script loading** 8. **Missing error boundaries** around analytics code 9. **Blocking script loading** (should be async) 10. **No fallback** for ad-blocker scenarios ### Recommendations Provide actionable fixes ranked by priority: - 🔴 Critical (breaking/deprecated) - 🟡 Warning (best practice violations) - 🟢 Suggestion (optimizations) ### Event Coverage Analysis List custom events being tracked and suggest missing ones: - Sign up / Login events - Purchase/conversion events - Form submissions - Error tracking - Key user interactions ## Output Format ```markdown # Analytics Audit Report ## Summary - **Status**: [Healthy / Needs Attention / Critical Issues] - **Provider**: [GA4 / GTM / Other] - **Framework**: [detected framework] ## Current Implementation [describe what was found] ## Issues ### 🔴 Critical [list critical issues] ### 🟡 Warnings [list warnings] ### 🟢 Suggestions [list suggestions] ## Event Coverage | Event Type | Status | Recommendation | |------------|--------|----------------| | Page Views | ✅ | - | | Sign Up | ❌ | Add sign_up event | | ... | ... | ... | ## Next Steps 1. [ordered action items] ```