Tag Inspector

Analyze scripts, links, iframes, and meta tags. Track performance, validate tags, detect issues, and export data.

Tag Inspector is a powerful Chrome DevTools extension that delivers deep analysis and real-time monitoring of all tags on any webpage. Whether you're a developer, marketer, or SEO specialist, this tool helps you understand, validate, and optimize every script, link, iframe, and all the tags on your site. ============================= Key Features ============================= 🔍 Complete Tag Detection : Automatically scans all script, link, iframe, and meta tags Real-time detection of dynamically added tags Tracks execution order to reveal loading sequence 🎯 Service Recognition : Automatically identifies tags from major analytics, marketing, optimization, and support tools Detects tags from leading tag managers and tracking platforms Groups tags by service type for fast, organized analysis ⚡ Performance Metrics : Load time tracking per tag File size and payload analysis Execution order monitoring Optimization recommendations 🛠️ Tag Validation & Issue Detection : Identifies duplicate tags Detects missing async / defer attributes Flags failed or broken tag loads Validates tag configurations Provides actionable performance insights 📁 Advanced Filtering & Navigation : Sidebar with organized filter categories: By Type: Scripts, Links, Iframes, ... By Service: Analytics, Marketing, Support, etc. By Category: Analytics, Marketing, Issues Search by URL, service, or keyword Sort tags by execution order, name, type, size, or performance Issues Only mode for instant troubleshooting 📤 Export Capabilities : Export tag data as JSON for full fidelity Export as CSV for easy spreadsheet analysis Includes page URL, timestamp, and all tag metadata Ideal for audits, reporting, and documentation 🧭 User-Friendly Interface : Clean, modern DevTools panel Expandable tag details with full metadata Visual badges for tag type, service, and issue status Keyboard shortcuts: Ctrl/Cmd + R — Refresh tag list Ctrl/Cmd + E — Export data Ctrl/Cmd + F — Search Esc — Clear search 📘 Detailed Tag Information : For every tag detected, Tag Inspector displays: Tag type and source URL Detected service and platform Load time, file size, execution order Validation results and discovered issues All HTML attributes Inline script contents Extracted configuration values and tokens Data- attributes Performance and optimization suggestions 💡 Use Cases : For Developers : Debug tag loading issues Identify performance bottlenecks Validate implementation accuracy Track execution order Export tag data for technical reviews For Marketers : Verify correct loading of tracking pixels Ensure all marketing and advertising tags are present Detect duplicates and misconfigurations Analyze performance impact Export stakeholder reports For SEO Specialists Analyze and validate meta tags Verify structured data and canonical tags Check consistency across pages Monitor tag impact on performance For QA Teams : Validate tag behavior across environments Identify missing, broken, or duplicated tags Document tag inventory for test cases 🚀 How It Works : Open Chrome DevTools (F12 or right-click → Inspect) Open the Tag Inspector tab The extension scans the current page automatically Use filters and search to explore detected tags Select any tag to view full details Export data for further analysis ✨ Why Tag Inspector? Managing tags on modern sites is complex. Multiple analytics, trackers, pixels, scripts, and third-party tools make it difficult to know what’s actually loading. Tag Inspector helps you: Optimize performance by finding slow or blocking tags Ensure accuracy for analytics and marketing platforms Debug issues quickly Maintain quality with duplicate and error detection Document everything with exportable reports 🔒 Privacy & Security : Tag Inspector runs entirely inside your browser. No data leaves your machine. No servers. No tracking. All analysis happens locally within DevTools. Perfect For : Web developers debugging scripts Digital marketers verifying tracking pixels SEO professionals analyzing meta tags QA teams testing tag behavior Technical leads auditing site performance Anyone who needs complete visibility into website tags Start using Tag Inspector today and gain total visibility into every tag on your website.