A Chrome extension for debugging SEO, AdTech (Prebid.js, GPT), and tracking (GA4, GTM) with AI-powered analysis.
- Meta tags and Open Graph validation
- Structured data (JSON-LD) inspection
- Canonical URL and robots directives check
- Mobile viewport verification
- Prebid.js: Real-time auction monitoring, bid analysis, timeout tracking
- Google Publisher Tag (GPT): Slot configuration, targeting parameters, refresh detection
- Google Tag Manager: Container detection, dataLayer event monitoring
- Google Analytics 4: Configuration validation, event tracking
- Tracking Pixels: Facebook, Twitter, LinkedIn, Pinterest pixel detection
- Natural language queries about page data
- 100% local processing with your own Claude or GPT API key
- Privacy-focused: API keys stored locally, never transmitted to our servers
- Clone the repository
git clone https://github.com/noviq-ai/web-publisher-debugger.git
cd web-publisher-debugger- Install dependencies
npm install- Build the extension
npm run build- Load in Chrome
- Open
chrome://extensions/ - Enable "Developer mode"
- Click "Load unpacked"
- Select the
distfolder
- Open
-
Click the extension icon in your browser toolbar
-
Navigate to any webpage you want to analyze
-
The side panel will display collected data organized by category:
- SEO: Meta tags, structured data, and more
- AdTech: Prebid.js and GPT slot information
- Tracking: GTM, GA4, and pixel data
-
(Optional) Configure the AI Assistant in Settings to ask questions about the page data
- All data is processed locally in your browser
- No data is sent to external servers (except AI providers when using the AI feature)
- API keys are stored locally using Chrome's encrypted storage
- See our full Privacy Policy
- React 18 + TypeScript
- Vite
- Tailwind CSS
- shadcn/ui
- Vercel AI SDK
- Chrome Extension Manifest V3
Contributions are welcome! Please feel free to submit a Pull Request.
MIT License - Copyright (c) 2025 Noviq LLC





