Astro’s architecture is designed for perfect performance out of the box. Here’s why you’ll get perfect Lighthouse scores without extra effort:
-
Zero JavaScript by Default
- Pages ship with no JavaScript
- Components only hydrate when needed using
client:
directives - Results in lightning-fast page loads
-
Automatic Image Optimization
- Just use the
<Image />
component - Automatic format conversion (WebP)
- Responsive sizes and lazy loading
- Perfect Largest Contentful Paint (LCP) scores
- Just use the
-
Smart Asset Handling
- Automatic CSS minification
- Built-in font optimization
- Efficient asset bundling
- No configuration needed
Here’s our results on mobile
How to get 100% Lighthouse score
- ✅ Use Astro’s static-first approach eliminates unnecessary JavaScript
- ✅ Use Astro’s sutomatic asset optimization
- ✅ Use Astro’s server-side rendering by default
- ✅ Use Astro’s built-in SEO best practices
- ✅ Use Astro’s intelligent code splitting
- ✅ Use Astro’s native image optimization
- ✅ Use Astro’s zero-config performance