To fix leverage browser caching for Apache server, you may use the following code below:
# Expires Caching ## <IfModule mod_expires.c> ExpiresActive On ExpiresByType image/gif "access 1 year" ExpiresByType image/jpg "access 1 year" ExpiresByType image/jpeg "access 1 year" ExpiresByType image/png "access 1 year" ExpiresByType image/x-icon "access 1 year" ExpiresByType text/css "access 1 month" ExpiresByType text/javascript "access 1 month" ExpiresByType text/html "access 1 month" ExpiresByType application/javascript "access 1 month" ExpiresByType application/x-javascript "access 1 month" ExpiresByType application/xhtml-xml "access 1 month" ExpiresByType application/pdf "access 1 month" ExpiresByType application/x-shockwave-flash "access 1 month" ExpiresDefault "access 1 month" </IfModule> ## Expires Caching ##