Astro component Component frontmatter Component props Default props Component slots Named slots HTML attributes Dynamic attributes Conditional rendering List rendering

src/pages routing Index page Dynamic route Rest parameters getStaticPaths 404 page Redirects Route priority Endpoint route Trailing slash

Layout component Nested layouts Content collections Collection schema getCollection getEntry Render content Markdown pages MDX integration Content images

Scoped styles Global styles CSS variables Class:list Sass integration Tailwind integration CSS modules Style props External stylesheet Critical CSS

Static component client:load client:idle client:visible client:media client:only Framework component Hydration boundary Sharing state Nano Stores

Top-level await Fetch at build time Astro.glob migration Astro.request Astro.url Cookies API Server actions Middleware API endpoint Environment variables

Static output Server output Adapter configuration Prerender page On-demand rendering Streaming SSR Redirect response Headers Sessions View transitions

Image component Picture component Font optimization Prefetch Bundle client JavaScript Accessibility audit Component test End-to-end test Build analysis Deployment adapter