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GTmetrix
Detailed performance reports with waterfall charts
FreemiumSite Performance
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GTmetrix provides detailed performance reports including waterfall charts that show exactly what is loading and in what order. It goes deeper than PageSpeed Insights for diagnosing specific bottlenecks. The free plan tests from one location; paid plans add multi-location and scheduled monitoring.
Best for: Store owners who want to diagnose specific performance bottlenecks beyond basic scores
Pricing
Free basic reports
Free tier available with paid upgrades
Pros & Cons
Pros
- Waterfall charts reveal exactly what is slowing your site
- More detailed than PageSpeed Insights
- Free plan includes useful performance history
- Video playback of page load process
Cons
- Free plan tests from only one location
- Can be overwhelming for non-technical users
- Some optimization advice requires developer knowledge
Used in Course
Works With
Alternatives
Ready to try GTmetrix?
Store owners who want to diagnose specific performance bottlenecks beyond basic scores
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