# Cache-Control for static, stable-by-filename assets /img/* Cache-Control: public, max-age=2592000 /favicon.svg Cache-Control: public, max-age=2592000 /favicon-16.png Cache-Control: public, max-age=2592000 /favicon-32.png Cache-Control: public, max-age=2592000 /apple-touch-icon.png Cache-Control: public, max-age=2592000 # CSS/JS have no cache-busting hash yet; cache modestly /css/* Cache-Control: public, max-age=86400 /js/* Cache-Control: public, max-age=86400 # Baseline security headers on every response /* X-Content-Type-Options: nosniff Referrer-Policy: strict-origin-when-cross-origin