ErrorDocument 404 /404.html
# One year for image and video files
Header set Cache-Control "max-age=31536000, public"
# One year for fonts
Header set Cache-Control "max-age=31536000, public"
# One month for JavaScript and PDF files
Header set Cache-Control "max-age=2592000, public"
# One week for CSS files
Header set Cache-Control "max-age=604800, public"