About Svelte
Svelte is a free and open-source front end compiler created by Rich Harris and maintained by the Svelte core team members.
How many people use Svelte
GitHub · npm
#5 of 75 JavaScript frameworks we have counts for (of 82) · bars are GitHub stars across these neighbours; the category leader is React at 249k · as of September 7, 2026
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Svelte#5 of 75 JavaScript frameworks
Zone.js#4 of 75 JavaScript frameworks
Audit any site that runs Svelte.
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How we audit Svelte
We measure the detected version against Svelte'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 Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in JavaScript frameworks
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