Enable Browser Caching (Apache)

.htaccess-caching

# Browser-Caching aktivieren
<IfModule mod_expires.c>
  ExpiresActive On
  ExpiresDefault "access plus 24 hours"
  ExpiresByType text/css "access plus 1 month"
  ExpiresByType text/javascript "access plus 1 month"
  ExpiresByType text/html "access plus 1 month"
  ExpiresByType application/javascript "access plus 1 month"
  ExpiresByType image/gif "access plus 1 month"
  ExpiresByType image/jpeg "access plus 1 month"
  ExpiresByType image/jpg "access plus 1 months"
  ExpiresByType image/png "access plus 1 month"
  ExpiresByType image/x-icon "access plus 1 month"
  ExpiresByType application/pdf "access plus 1 month"
  ExpiresByType image/x-icon "access plus 1 year"
  ExpiresByType image/svg+xml "access plus 1 month"
  ExpiresByType application/x-font-woff "access plus 1 month
  ExpiresByType font/opentype "access plus 1 month
  ExpiresByType application/x-font-ttf "access plus 1 month
  ExpiresByType application/vnd.ms-fontobject "access plus 1 month
</IfModule> 

<IfModule mod_headers.c>
  <filesmatch "\\.(ico|jpe?g|png|gif|swf)$">
    Header set Cache-Control "max-age=2592000, public"
  </filesmatch>
  <filesmatch "\\.(css)$">
    Header set Cache-Control "max-age=2592000, public"
  </filesmatch>
  <filesmatch "\\.(js)$">
    Header set Cache-Control "max-age=2592000, private"
  </filesmatch>
</IfModule>