PerfDebugger

Real-time Web Performance for Developers

Stop waiting 60 seconds for Lighthouse audits. Get instant Core Web Vitals and performance insights as you develop.

💡 Available soon on Chrome Web Store — currently in review

🎯 What it does

PerfDebugger is a lightweight Chrome extension that measures web performance in real-time. Perfect for frontend developers who need to debug performance issues without breaking their flow.

✨ Features

⚡ Real-time Core Web Vitals

• LCP — Largest Contentful Paint
• FCP — First Contentful Paint
• CLS — Cumulative Layout Shift
• INP — Interaction to Next Paint
• TTFB — Time to First Byte

💾 Memory Monitoring

Track JS heap usage and detect potential memory leaks.

⚠️ Slow Resource Detection

Automatically flags network requests taking over 1 second — sorted by impact.