Astro FrontendContent sites that ship zero JS by default
Astro's islands architecture lets us build blazing-fast content sites — blogs, docs, marketing pages — where JavaScript only loads for the interactive parts. Perfect for SEO-critical properties.
Astro is a web framework designed for content-driven websites — blogs, marketing sites, documentation, and e-commerce storefronts where performance directly impacts SEO and conversion. Its islands architecture ships zero JavaScript by default, only hydrating interactive components on demand. You can use React, Vue, Svelte, or Solid components on the same page, each loading independently. Astro's content collections provide type-safe Markdown/MDX authoring, and its adapter system deploys to any platform. If your site is primarily content with islands of interactivity, Astro delivers the best performance possible.
Quick start
npm create astro@latest my-site
cd my-site
npm run devRead the full documentation at docs.astro.build
Zero JS by default
Astro ships HTML and CSS only — JavaScript is opt-in per component via the island pattern.
Content collections
Type-safe content APIs for Markdown, MDX, and JSON — schema validation with Zod included.
Framework agnostic islands
Mix React, Vue, Svelte, and Solid components on the same page — each hydrates independently.
SSR & hybrid rendering
Per-route rendering modes — static, server-rendered, and edge-compatible via adapters.
Built for SEO
Perfect Lighthouse scores out of the box — structured data, canonical URLs, and sitemaps via integrations.
Starlight docs
Astro's official docs theme — full-text search, versioning, i18n, and a clean reading experience.
Why it's hard
Islands architecture mental model
Thinking in islands (static HTML with isolated interactive components) is different from traditional SPA development. Teams used to React Router or Next.js need to adjust their architecture patterns.
Limited client-side state sharing
Because each island hydrates independently, sharing state between interactive components requires nanostores or similar solutions — there's no global app-level state by default.
Dynamic functionality constraints
Highly interactive applications (dashboards, real-time tools) push against Astro's content-first design. For app-like experiences, you may outgrow what Astro optimizes for.
SSR adapter differences
Behavior differences between Vercel, Cloudflare, Node, and Netlify adapters — especially around streaming, edge functions, and environment variables — require careful testing per target.
Best practices
Default to zero-JS static pages
Only add client:load, client:visible, or client:idle directives when a component genuinely needs interactivity. Most content pages need no JavaScript at all.
Use content collections for all structured content
Define Zod schemas for your content — blog posts, docs, product pages. This gives you type-safe queries, frontmatter validation, and automatic TypeScript types.
Choose the right hydration directive
client:visible for below-the-fold components, client:idle for non-critical interactivity, client:load only for above-the-fold interactive elements. This dramatically improves Time to Interactive.
Leverage View Transitions for navigation
Astro's built-in View Transitions API provides smooth page transitions without client-side routing — your MPA feels like an SPA with native browser animation support.
Frequently asked questions
Related technologies
Related services
Looking for end-to-end delivery? These services complement Astro projects.
Web Design
Websites that load fast, look sharp, and convert visitors into customers
Web App Development
Full-stack web applications built for real users and real scale
SaaS Development
Subscription software built to scale from day one
Performance Optimization
Find the bottlenecks and fix them — in code, queries, and infrastructure
Want to build with Astro?
Talk to our engineering team about your Astro architecture. We'll respond within 24 hours.
We limit intake each month so every project gets the focus it deserves.