GT
GTmetrix
Website performance analysis with detailed waterfall breakdowns.
★ 4.3
Our hands-on rating
✓ Pros
- ✓Detailed waterfall analysis
- ✓Free basic reports
- ✓Global test locations
✗ Cons
- ✗Free tier limited tests
- ✗Server-side
Personal hands-on rating (2026-08). Clear performance reports, free tier is useful.
Best for
Developers profiling page performance.
Not for
Casual users (PageSpeed is simpler).
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