Overview
GTmetrix tests page speed and shows a detailed waterfall of every request, along with Web Vitals and recommendations. Paid plans add scheduled monitoring, more test locations and alerts.
Who it's for
Developers diagnosing exactly what slows a page down.
Key features
- Waterfall charts
- Web Vitals
- Test locations
- Monitoring & alerts
- Video playback
Pros
- Detailed waterfall
- History and monitoring
- Easy to share
Cons
- Best features are paid
- Lab data only
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