Performance Inspector
Next.js Performance Inspector
Analyze production websites and generate developer-friendly performance insights. Get actionable recommendations to improve your Core Web Vitals.
Free scans are limited to 3 per day per IP
What you'll get
Core Web Vitals
LCP, TBT, and CLS scores with clear pass/fail indicators
Performance Budget
JS, images, CSS, and third-party resource analysis
Actionable Issues
Prioritized recommendations with fix effort estimates