Using Astro Islands to Hydrate Only What You Need
Learn how Astro Islands let you hydrate only the components you need, reducing JavaScript payload while keeping pages fast.
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Learn how Astro Islands let you hydrate only the components you need, reducing JavaScript payload while keeping pages fast.
Explains Qwik’s island‑based resumability: requirements, minimal design with $‑prefixed islands, trust boundaries, runtime checks, failure modes, and when the design must change.
Astro’s islands model lets you hydrate only the components that need interactivity, keeping the rest of the page static and minimizing bundle size. This guide walks through the problem, the solution, a concrete example, and the trade‑offs to consider.