Astro Islands Architecture
By default, Astro strips out all JavaScript. You only ship JS when you explicitly opt-in!
Understanding Islands
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Performance Benefits
- Zero JS by Default: Your site loads instantly.
- Interactive Where Needed: Add
client:loadto make specific components interactive. - SEO Friendly: Search engines love fast, static HTML.
“Astro Islands are the secret to achieving 100/100 on Lighthouse while still using your favorite UI frameworks.” - Lorem Ipsum
<MyReactComponent client:visible />