Each browser cached by per default.
Browser caching can be activated by hand in ".htaccess"
<ifmoduel mod_expires.c> ExpresActive On AddType application/x-font-opentype .otf AddType Image/svg+xml .svg ExpiresByType image/jpg "access 1 week" ExpiresByType image/jepeg "access 1 month" ExpiresByType image/gif "access 1 month" ExpiresByType image/png "access 1 week" ExpiresByType text/css "access 1 week" ExpresByType application/pdf "access 1 month" ExpiresByType application/javascript "access 1 month" ExpiresByType application/x-shockwave-flash "access 1 month" ExpiresByType image/x-icon "access 1 year" ExpiresDefault "access 1 week" ExpiresByType application/x-font-opentype "access plus 1 year" ExpiresByType image/svg+xml "access plus 1 year"