How to Get 100% Google Lighthouse Score

Achieve perfect Lighthouse scores effortlessly with Astro's built-in optimizations

Astro’s architecture is designed for perfect performance out of the box. Here’s why you’ll get perfect Lighthouse scores without extra effort:

Built-in Performance Features

  1. Zero JavaScript by Default

    • Pages ship with no JavaScript
    • Components only hydrate when needed using client: directives
    • Results in lightning-fast page loads

  2. Automatic Image Optimization

    • Just use the <Image /> component
    • Automatic format conversion (WebP)
    • Responsive sizes and lazy loading
    • Perfect Largest Contentful Paint (LCP) scores

  3. Smart Asset Handling

    • Automatic CSS minification
    • Built-in font optimization
    • Efficient asset bundling
    • No configuration needed

Here’s our results on desktop and mobile

Perfect Lighthouse score showing 100 in all categories Perfect Lighthouse score showing 100 in all categories on mobile

Why Astro Scores Perfect:

  • ✅ Static-first approach eliminates unnecessary JavaScript
  • ✅ Automatic asset optimization
  • ✅ Server-side rendering by default
  • ✅ Built-in SEO best practices
  • ✅ Intelligent code splitting
  • ✅ Native image optimization
  • ✅ Zero-config performance