ErrorDocument 404 /404.html
 

 <IfModule mod_headers.c>
     # One year for image and video files
     <filesMatch ".(flv|gif|ico|jpg|jpeg|mp4|mpeg|png|svg|swf|webp)$">
         Header set Cache-Control "max-age=31536000, public"
     </filesMatch>
 

     # One year for fonts
     <filesMatch ".(woff2)$">
         Header set Cache-Control "max-age=31536000, public"
     </filesMatch>
 

     # One month for JavaScript and PDF files
     <filesMatch ".(js|pdf)$">
         Header set Cache-Control "max-age=2592000, public"
     </filesMatch>
 
     # One week for CSS files
     <filesMatch ".(css)$">
         Header set Cache-Control "max-age=604800, public"
     </filesMatch>
 </IfModule>