Lab
I don't claim fast. Measure it.
Every number below was just measured by your own browser, on this page, as it loaded. No lab, no cherry-picked test. This is the standard every build I ship is held to.
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Live score for this page
Measuring…
Server response
-ms
Time to the first byte from the server
First paint
-ms
When you first saw something
Largest paint
-ms
When the main content had rendered
Layout shift
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How much the page jumped while loading
How it's built This reads the browser's own Performance API and a PerformanceObserver for the Core Web Vitals Google actually ranks on. The thresholds (green / amber) are Google's published ones. Refresh and watch it re-measure. Nothing is sent anywhere.
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