.htaccess

SetOutputFilter DEFLATE
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png|ico)$ no-gzip dont-vary
Header append Vary User-Agent env=!dont-vary

<IfModule mod_headers.c>
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType image/jpeg "access plus 4 weeks"
ExpiresByType image/png "access plus 4 weeks"
ExpiresByType text/javascript "access plus 4 weeks"
ExpiresByType application/x-javascript "access plus 4 weeks"
ExpiresByType application/javascript "access plus 4 weeks"
ExpiresByType application/vnd.google-earth.kmz "access plus 4 weeks"
ExpiresByType application/vnd.geo+json "access plus 4 weeks"
</IfModule>
</IfModule>