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FLAVIO COPES
flaviocopes.com
2026

Astro, set caching headers

By Flavio Copes

A quick reference for setting caching headers in Astro, using Astro.response.headers.set to send a Cache-Control header like public, max-age=3600.

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Writing this down for reference

Astro.response.headers.set('Cache-Control', 'public, max-age=3600')

If you need a different caching policy, I built a free Cache-Control header builder that puts together the right directives for you.

Tagged: Astro · All topics
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