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Svelte

FrameworkTech

Svelte is an open-source web framework created by Rich Harris in 2016, with a radical approach: it is a compiler that turns components into optimised JavaScript at build time, rather than shipping a framework runtime in…

Svelte is an open-source web framework created by Rich Harris in 2016, with a radical approach: it is a compiler that turns components into optimised JavaScript at build time, rather than shipping a framework runtime in the browser.

The result: very small bundles, excellent performance and a very readable syntax (HTML augmented with `{#if}` / `{#each}` blocks). Svelte 5 (2024) introduced runes, a new fine-grained reactivity model inspired by signals.

SvelteKit is the equivalent of Next.js in the Svelte ecosystem. The framework is used by The New York Times, Apple, Spotify and consistently ranks among the most loved frameworks by developers (State of JS).

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