Tag Inspector

About

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.