_headers

/*/*.html
  Cache-Control: public, max-age=60
  Content-Security-Policy: default-src 'self'; object-src 'none'; style-src 'self' 'unsafe-inline'; script-src 'self'; img-src 'self' data:; connect-src 'self'; font-src 'self' https://fonts.gstatic.com data:; manifest-src 'self'; prefetch-src 'self'; media-src 'self' data:; worker-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self';
  X-Frame-Options: DENY
  X-XSS-Protection: 1; mode=block
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: camera=(), geolocation=(), microphone=()
  Strict-Transport-Security: max-age=15768000

# Cache JavaScript, CSS, SVG, TXT, and WebP files for a year
/*.js
  Cache-Control: public, max-age=31536000
/*.txt
  Cache-Control: public, max-age=31536000
/*.webp
  Cache-Control: public, max-age=31536000

# Cache images in the /images/ folder for 2 days
/images/*
  Cache-Control: public, max-age=172800

# Cache the web manifest for 2 days
/manifest.webmanifest
  Cache-Control: public, max-age=172800

# Revalidated sw on every request
/sw.js
  Cache-Control: max-age=0, must-revalidate, public