Astro

# Astro > Astro is an all-in-one web framework for building websites. - Astro uses island architecture and server-first design to reduce client-side JavaScript overhead and ship high performance websites. - Astro’s friendly content-focused features like content collections and built-in Markdown support make it an excellent choice for blogs, marketing, and e-commerce sites amongst others. - The `.astro` templating syntax provides powerful server rendering in a format that follows HTML standards and will feel very familiar to anyone who has used JSX. - Astro supports popular UI frameworks like React, Vue, Svelte, Preact, and Solid through official integrations. - Astro is powered by Vite, comes with a fast development server, bundles your JavaScript and CSS for you, and makes building websites feel fun. ## Documentation Sets - [Abridged documentation](https://docs.astro.build/llms-small.txt): a compact version of the documentation for Astro, with non-essential content removed - [Complete documentation](https://docs.astro.build/llms-full.txt): the full documentation for Astro - [API Reference](https://docs.astro.build/_llms-txt/api-reference.txt): terse, structured descriptions of Astro’s APIs - [How-to Recipes](https://docs.astro.build/_llms-txt/how-to-recipes.txt): guided examples of adding features to an Astro project - [Build a Blog Tutorial](https://docs.astro.build/_llms-txt/build-a-blog-tutorial.txt): a step-by-step guide to building a basic blog with Astro - [Deployment Guides](https://docs.astro.build/_llms-txt/deployment-guides.txt): recipes for how to deploy an Astro website to different services - [CMS Guides](https://docs.astro.build/_llms-txt/cms-guides.txt): recipes for how to use different content management systems in an Astro project - [Backend Services](https://docs.astro.build/_llms-txt/backend-services.txt): advice on how to integrate backend services like Firebase, Sentry, and Supabase in an Astro project - [Migration Guides](https://docs