Learn ASTRO with Real Code Examples

Zero-JS by default ensures fast loads

Hydrate only what is interactive

Use image optimization integrations

Prefer static generation whenever possible

Cache SSR responses on the edge

Server code isolated from client automatically

Validate MDX or user-generated content

Sanitize dynamic HTML

Use security headers on deployment platform

Avoid leaking environment variables in islands

Vercel Analytics (if deployed on Vercel)

Netlify Analytics

Cloudflare Insights

Sentry for error monitoring

Third-party tools like Plausible

Use Prettier & ESLint

Organize components by domain

Use TypeScript inside frontmatter

Validate content schemas

Avoid unnecessary hydration