Astro Server Islands keep pages fast without sacrificing interactivity

Short summary

Astro Server Islands let you ship mostly static HTML while hydrating only interactive components like carousels or comments. Directives like client:load, client:idle, and client:visible control when each island hydrates. The post walks through pairing Astro with BCMS headless CMS and adding a Vue carousel island, though the BCMS promotion is heavy.

• •Astro Server Islands deliver static HTML with selective JS hydration via client directives
• •Pair with a headless CMS like BCMS so editors manage content while devs keep framework freedom
• •Use client:load for above-the-fold UI and client:visible for everything else

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