Astro

Overview Astro is a JavaScript web framework built for content-driven websites. It improves performance by rendering components on the server and sending lightweight HTML to the browser with minimal JavaScript. Marketing sites, blogs, and e-commerce stores are among the most common use cases. Astro serves teams and developers who need fast page loads without being locked into a single UI framework. The framework supports React, Vue, Svelte, Preact, Solid, Angular, and Qwik components inside the same project. Key Benefits 66% of real-world Astro sites pass Core Web Vitals, compared to 30% for Next.js sites, based on HTTP Archive and Chrome UX Report data. Astro ships zero JavaScript by default and only loads the JavaScript you explicitly need. Content Collections provide built-in TypeScript type-safety and frontmatter validation for Markdown and MDX files. The island architecture isolates interactive components so they load without blocking the rest of the page. View Transitions, optimized images, and intelligent automatic prefetching ship as built-in features. One-line deployment adapters support Netlify, Vercel, AWS, Cloudflare, Deno, Node.js, and SST. How It Works You create an Astro project with npm create astro@latest . You organize pages using file-based routing — files placed inside the pages/ directory map directly to routes. You load content from Markdown, MDX, a CMS, or an external API and render it inside Astro components that look like standard HTML. Interactive UI components from React, Vue, Svelte, or other frameworks can be imported and placed into pages using the client:load directive. At build time, Astro strips unused JavaScript and outputs static HTML. Use Cases Marketing teams building content sites that must load quickly across devices and geographies. Bloggers and content creators who publish Markdown or MDX and want automatic TypeScript validation on frontmatter. E-commerce teams who combine server-rendered product pages with interactive add-to-cart components. Developer tool authors and open-source maintainers maintaining documentation sites with file-based routing and fast rebuilds. Agencies delivering client sites that need to integrate multiple UI frameworks within a single project. AI tooling developers who integrate with Astro's official MCP server and context files for AI-assisted development. Why Choose This Product Astro is best suited for content-driven websites where page speed and Core Web Vitals scores are a priority. Its zero-lock-in approach lets teams bring existing React, Vue, or Svelte components without rewriting. Developers already comfortable with HTML can write their first Astro component immediately, making it accessible to newcomers while remaining powerful enough for production sites used by large companies.