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Getting started

Introduction
Creating a project
Project types
Project structure
Web standards

Core concepts

Routing
Loading data
Form actions
Page options
State management
Remote functions
Environment variables

Build and deploy

Building your app
Adapters
Zero-config deployments
Node servers
Bun servers
Static site generation
Single-page apps
Cloudflare
Cloudflare Workers
Netlify
Vercel
Writing adapters

Advanced

Advanced routing
Hooks
Errors
Link options
Service workers
Server-only modules
Snapshots
Page state & shallow routing
Observability
Packaging

Best practices

Auth
Performance
Icons
Images
Accessibility
SEO

Appendix

Frequently asked questions
Integrations
Breakpoint Debugging
Migrating to SvelteKit v2
Migrating to SvelteKit v3
Migrating from Sapper
Additional resources
Glossary

Reference

@sveltejs/kit
@sveltejs/kit/adapter
@sveltejs/kit/env
@sveltejs/kit/hooks
@sveltejs/kit/node
@sveltejs/kit/params
@sveltejs/kit/vite
$app/env
$app/env/private
$app/env/public
$app/forms
$app/manifest
$app/navigation
$app/paths
$app/server
$app/service-worker
$app/state
$app/tsconfig
$app/tsconfig/service-worker
$app/types
#lib
Command Line Interface
Types

Legacy

$service-worker
$app/environment
$app/stores
$env/dynamic/private
$env/dynamic/public
$env/static/private
$env/static/public

$app/environment

This module was deprecated in SvelteKit 3 in favour of $app/env. It will be removed in SvelteKit 4.

Adapted from svelte.dev/docs/kit/$app-environment by SvelteKit contributors, licensed under MIT. Changes were made: this page is re-rendered from the original's source.

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