Mod Expires¶

    <IfModule mod_expires.c>
            ExpiresActive On
            ExpiresDefault "now"

            ExpiresByType application/atom+xml "access plus 10 minutes"
            ExpiresByType application/javascript "access plus 1 day"
            ExpiresByType application/mac-binhex40 "access plus 1 day"
            ExpiresByType application/msword "access plus 1 day"
            ExpiresByType application/octet-stream "access plus 30 days"
            ExpiresByType application/pdf "access plus 1 day"
            ExpiresByType application/vnd.ms-fontobject "access plus 30 days"
            ExpiresByType application/x-cdf "access plus 1 day"
            ExpiresByType application/x-director "access plus 1 day"
            ExpiresByType application/x-font-woff "access plus 1 day"
            ExpiresByType application/x-javascript "access plus 30 days"
            ExpiresByType application/x-netcdf "access plus 1 day"
            ExpiresByType application/x-shockwave-flash "access plus 1 day"
            ExpiresByType application/xml "access plus 5 minutes"
            ExpiresByType application/xhtml+xml "access plus 5 minutes"
            ExpiresByType application/x-font-ttf "access plus 2 days"
            ExpiresByType application/x-qml "access plus 2 days"
            ExpiresByType application/x-qt.qbs+qml "access plus 2 days"
            ExpiresByType application/zip "access plus 1 day"        
            ExpiresByType audio/basic "access plus 1 day"
            ExpiresByType audio/mpeg "access plus 1 day"
            ExpiresByType audio/x-aiff "access plus 1 day"
            ExpiresByType audio/x-wav "access plus 1 day"
            ExpiresByType image/bmp "access plus 2 days"
            ExpiresByType image/gif "access plus 2 days"
            ExpiresByType image/jpeg "access plus 2 days"
            ExpiresByType image/png "access plus 2 days"
            ExpiresByType image/svg+xml "access plus 30 days"
            ExpiresByType image/vnd.microsoft.icon "access plus 7 days"
            ExpiresByType image/x-icon "access plus 1 day"
            ExpiresByType text/css "access plus 1 day"
            ExpiresByType text/javascript "access plus 1 day"
            ExpiresByType text/plain "access plus 1 day"
            ExpiresByType text/xml "access plus 5 minutes"
            ExpiresByType video/quicktime "access plus 1 day"
            ExpiresByType video/x-msvideo "access plus 1 day"
    </IfModule>

For a more complete list of mimetypes