A website build tool for the modern web that delivers powerful developer experience with lightweight output.
Astro is a web framework for building content-driven websites that delivers powerful developer experience with lightweight output. It enables developers to create fast, modern websites by shipping minimal JavaScript to the browser while supporting popular UI frameworks. The framework is particularly well-suited for blogs, documentation, marketing sites, and other content-focused web projects.
Web developers building content-driven websites like blogs, documentation, and marketing sites who want optimal performance with modern developer tools. Frontend developers who work with multiple UI frameworks and need a flexible, performant build tool.
Developers choose Astro for its unique island architecture that delivers zero JavaScript by default while supporting their favorite UI frameworks. It provides the best balance between developer experience and output performance, making it ideal for content-focused websites where speed matters.
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Ships zero JavaScript by default and hydrates only interactive components as needed, leading to significantly faster page loads for content-driven sites.
Supports React, Vue, Svelte, Solid, and others via official integrations, allowing developers to mix and match tools without vendor lock-in.
Includes MDX support and static site generation out-of-the-box, making it ideal for blogs, documentation, and marketing sites with minimal configuration.
Offers adapters for Vercel, Netlify, Cloudflare, and Node.js, providing extensive deployment options across different platforms.
Adding client-side interactivity requires explicit hydration directives (e.g., client:load), which can be verbose and error-prone for dynamic pages.
Compared to established frameworks like Next.js, the plugin and integration ecosystem is smaller, limiting ready-made solutions for advanced features.
Server-side rendering requires adapter setup and additional configuration, making it less seamless than frameworks designed primarily for SSR.