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