How to build a secure Astro site with strict CSP and self-hosted fonts

A developer details how to make an Astro site secure by default using a strict Content-Security-Policy that blocks inline scripts, self-hosting fonts to avoid third-party leaks, and eliminating trackers. The approach leverages Astro's zero-JS-by-default output to minimize attack surface. The result is a fast, private site that scores well on securityheaders.com without extra configuration.