Website speed test

How fast does the page start, and how heavy is it?

Live lookupPlain English + technicalFree, no sign-upBeta
Good to know: Measures network timing and page weight. It isn’t a full Lighthouse score.
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About the Website speed

Measure a page’s load timing and weight: HTML size, compression, the number of scripts, styles and images, and the heaviest assets.

Every result comes in two styles: plain English for everyone, and the exact technical detail for engineers, with the raw JSON one click away.

Questions

No. It measures real network timing and page weight from our servers: the two things that most often make a page slow. For rendering and accessibility scores, use Lighthouse alongside it.