What is Astro?
Astro is a JavaScript web framework designed for building fast, content-rich websites. It prioritizes server-side rendering, delivering optimized HTML with minimal JavaScript overhead, resulting in superior website performance.
Astro is versatile and supports loading data from various sources like file systems, external APIs, and CMS platforms. It's also highly customizable, enabling integration with preferred tools, UI components, CSS libraries, and more.
Features
- Server-First: Renders components on the server for improved performance.
- Content-Driven: Designed to work with content from various sources, including file systems, APIs, and CMS platforms.
- Customizable: Extensible with various tools, UI components, CSS libraries, and integrations.
- Astro Islands: Optimizes website performance significantly.
- Zero Lock-in: Supports major UI frameworks like React, Vue, Preact, Svelte, and Solid.
- Content Collections: Organizes Markdown and MDX with built-in TypeScript type-safety and frontmatter validation.
- Zero JavaScript, By Default: Ships only necessary JavaScript.
- View Transitions: Built-in, browser-native View Transition APIs.
- Middleware: Custom logic for incoming requests.
- Actions: Type-safe backend functions callable from frontend.
- Environment Variables: Built-in API for managing environment variables.
- Deployment Adapters: Customization for platforms like Vercel and AWS.
- UI Integrations: Supports various UI frameworks.
- Dev Toolbar: Extensible development environment.
Use Cases
- Building marketing sites
- Creating blogs
- Developing e-commerce websites
- Building documentation sites
- Creating portfolios
- Developing landing pages
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