A live readout of this page and the device you are reading on, refreshing in real time. Everything is measured in your own browser: nothing is sent anywhere, and nothing about the site's own files is shown. Green is good, amber is okay, red is slow (Google Web Vitals thresholds).
Page load
Measured once for this page load.
- Load time
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- Server response
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- Connection setup
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- First paint
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- Largest paint
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- Transport
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- Page weight
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- Requests
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Live activity
Updates continuously while this page is open.
- Frame rate
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- Layout shift
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- Long tasks
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- DOM elements
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- JS heap in use
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- Time on page
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Your device
What this browser reports about your hardware and screen.
- CPU cores
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- Device memory
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- Screen
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- Viewport
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- Pixel ratio
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- Orientation
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- Colour depth
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- Touch points
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- Graphics
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Your connection
Network conditions the browser reports, where it shares them.
- Status
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- Effective type
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- Downlink
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- Round-trip time
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- Data saver
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- Battery
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Your environment
Browser, locale, and the display preferences this page honours.
- Browser
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- Platform
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- Language
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- Time zone
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- Local time
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- Colour scheme
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- Reduced motion
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- Cookies
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- Do Not Track
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- Display mode
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- Offline support
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