Astro renders html of framework components | Astro Lounge | Page 1

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Yes.

By default (no client:*):
A Solid component used in an Astro file is rendered to static HTML on the server. [Front-end frameworks]
With most client:* directives (client:load, client:idle, client:visible, client:media):
The component is still rendered to HTML on the server first, and then that HTML is hydrated in the browser according to the chosen directive. [Hydrating interactive components]
Exception – client:only:
client:only skips server-side HTML rendering and renders only on the client. [client:only]

For Solid specifically, server-rendered components (including hydrating ones) are rendered with Solid’s `renderToStringAsync`, so their HTML is included in the initial server-rendered page; `client:only` Solid components are excluded from this and only render on the client. [Solid usage; client:only]