PageSpeed Insights vs sitespeed.io: catalog facts
 PageSpeed Insights |  sitespeed.io |
|---|
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Free Free to use. |
Free Free and open source with no sign-up. |
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Web |
Command line |
- Field and lab data side by side
- Separate mobile and desktop results
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- Detailed reports with video, HAR waterfall and Core Web Vitals
- Scripting for multi-step user journeys
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- Field data only appears for URLs with enough Chrome traffic
- Single-page checks rather than ongoing monitoring
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- Command-line setup takes more effort than an online checker
- Long-term dashboards need your own Graphite or InfluxDB and Grafana
|
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Web application |
Downloadable app |
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Closed source |
Open source |
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License not stated |
License not stated |
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No account needed |
No account needed |
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Needs internet |
Not stated if it works offline |
Checked September 23, 2026 | Checked September 23, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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