Astro renders HTML on the server and strips away any remaining, unused JavaScript. - Zero JavaScript Runtime.
Components only hydrate when they scroll into view. If you don’t see it, Astro won’t load it. - Lazy-Loading Islands.
Supports both static output (SSG) and live server output (SSR) that can render your content on-demand. works with your favorite content sources. Pull content from the filesystem or fetch it remotely from your Git headless CMS.