Jun 2, 2026 · Frontend Stacks · 1min read

SvelteKit Local Development Guide

SvelteKit is the full-stack framework for Svelte, supporting SSR and static exports, with local development defaulting to localhost:5173.

SvelteKit is the official application framework for Svelte, providing file routing, server-side loading, adapter deployment, and an excellent development experience, with compile-time optimizations resulting in a smaller runtime size.

Quick Start

npm create svelte@latest my-app
cd my-app
npm install
npm run dev

Default localhost Access

Purpose	Address
Development Server	http://localhost:5173
Preview Production Build	http://localhost:4173

Common Commands

Command	Description
`npm run dev`	Development mode
`npm run build`	Production build
`npm run preview`	Preview build results

Rendering Modes

SSR: Supported by default, beneficial for SEO
SSG: Pre-rendered static pages
CSR: Configurable pure client-side pages

Choose deployment targets through adapter-static, adapter-node, adapter-cloudflare, etc.

Summary

SvelteKit is suitable for full-stack projects that prioritize performance and concise syntax; local development can be accessed at http://localhost:5173.