About Preact
Preact is a JavaScript library that describes itself as a fast 3kB alternative to React with the same ES6 API.
How many people use Preact
GitHub · npm#8 of 198 JavaScript libraries we have counts for (of 232) · bars are GitHub stars across these neighbours; the category leader is Axios at 109k · as of September 7, 2026
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#8 of 198 JavaScript libraries
#7 of 198 JavaScript libraries
The two numbers disagree - one leads on stars, the other on installs. Stars measure attention, downloads measure use.
Audit any site that runs Preact.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
How we audit Preact
We measure the detected version against Preact's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
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