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Frameworks don't need to live in the browser. Svelte was created on a radical proposition: shift the burden of user interface engineering from runtime execution to compile-time code generation.
By analyzing dependencies during the build, Svelte knows exactly which DOM nodes depend on which variables. There is no diffing algorithm wasting cycles in the browser.
Runes like $state, $derived, and $effect provide fine-grained signal reactivity that works both inside .svelte components and plain .svelte.js modules.
Filesystem routing, server-side data loaders, form actions with use:enhance, and streaming SSR out of the box with zero boilerplate.
Traverse the 10 deep-dive modules across the concept roadmap.