Svelte 5 + SvelteKit — Skill Documentation

Source: svelte.dev/docs | svelte.dev/docs/kit Version: Svelte 5.x, SvelteKit 2.x, sv CLI

What is Svelte?

Svelte is a UI framework that uses a compiler to turn declarative components (HTML, CSS, JS) into lean, optimized JavaScript. Unlike React/Vue which use a virtual DOM, Svelte compiles away at build time — no runtime framework overhead.

What is SvelteKit?

SvelteKit is the official application framework for Svelte, powered by Vite. It provides routing, SSR/SSG, data loading, form actions, adapters for deployment, and more. Similar to Next.js (React) or Nuxt (Vue).

Quick Start