I spent two weeks optimizing shoofaflam.tv — an Arabic streaming guide with ~20,000 static HTML pages — from a mobile PageSpeed Performance score of 53 to a stable 77-85. The site runs Next.js 16 with output: "export", served by nginx + Cloudflare CDN on a single Hetzner VPS. This isn't a list of "10 tips for faster sites." This is the actual chronological journey, including the regressions, the s