Build fast websites, faster.

Astro is a new kind of static site builder for the modern web. Powerful developer experience meets lightweight output.

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Developers around the world rely on Astro

  • Google
  • Netlify
  • Trivago
  • Rokt
  • The Guardian

More HTML, Less JavaScript #

Astro uses a modern server-side templating language that renders directly to HTML & CSS, eliminating heavy JavaScript automatically.

4.0s TTI

Before Astro

2.3s TTI

With Astro

Automatic Partial Hydration #

Meet Astro’s magic tool for web optimization. Astro is the first site builder to eliminate dead code from your website and only hydrate your essential, interactive UI.

Learn more about Partial Hydration

255 kB

Before Astro

10.7 kB

With Astro

Build, Extend, Deploy #

Whatever you’re building, Astro has you covered. With convenient, out-of-the-box features and even more ready-to-use integrations, Astro has everything that you need to build.

Peak Performance #

Site performance has a tangible impact on the success of your business. Astro sites can be up to 40% faster and use 90% less JavaScript compared to leading static site generators.

87% of websites currently fail Google's Core Web Vitals (CWV) benchmark. Astro is on a mission to change that.

Rebuilt my Next.js blog using Astro out of curiosity… holy shit the difference in bundle size.

Total Payload

Before: 138 kB
Using Astro: 7.5 kB

Real world data from @t3dotgg on Twitter

Astro is really shaping up to be one of the formative ways to build mostly-static sites.

Justin Bennett, Host