cdn-engineering

CDN (CloudFront/Cloudflare/Fastly) disipline — cache key composition (URL + Vary + cookie/query whitelist), TTL strategy (s-maxage CDN + max-age browser + stale-while-revalidate + stale-if-error), origin shield, purge (single/wildcard/tag/all), signed URL (CloudFront/Cloudflare/Fastly token), image optimization (AVIF/WebP edge transform), HLS/DASH streaming…

Independent GitHub snapshot · Automated classification · Original documentation governs