_headers

# Cache headers for GitHub Pages + Cloudflare
# Static assets: 1 year + immutable (cache-bust via ?v= when updating)
*.css
  Cache-Control: public, max-age=31536000, immutable
*.js
  Cache-Control: public, max-age=31536000, immutable
*.webp
  Cache-Control: public, max-age=31536000, immutable
*.svg
  Cache-Control: public, max-age=31536000, immutable
*.png
  Cache-Control: public, max-age=31536000, immutable
*.ico
  Cache-Control: public, max-age=31536000, immutable
*.webmanifest
  Cache-Control: public, max-age=31536000, immutable

# HTML: no browser cache, but allow CDN (Cloudflare) to cache 10 min
*.html
  Cache-Control: public, max-age=0, s-maxage=600, must-revalidate

# Root page
/
  Cache-Control: public, max-age=0, s-maxage=600, must-revalidate

# Text & XML: 1 day
*.txt
  Cache-Control: public, max-age=86400
*.xml
  Cache-Control: public, max-age=86400