.htaccess

<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE image/jpeg
AddOutputFilterByType DEFLATE image/png
AddOutputFilterByType DEFLATE image/gif
AddOutputFilterByType DEFLATE image/x-icon
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/shtml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript
</IfModule> 

<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType image/jpg "access 1 year"
ExpiresByType image/jpeg "access 1 year"
ExpiresByType image/gif "access 1 year"
ExpiresByType image/png "access 1 year"
ExpiresByType text/css "access 1 month"
ExpiresByType text/html "access 1 month"
ExpiresByType application/pdf "access 1 month"
ExpiresByType text/x-javascript "access 1 month"
ExpiresByType application/x-shockwave-flash "access 1 month"
ExpiresByType image/x-icon "access 1 year"
ExpiresDefault "access 1 month"
</IfModule>

# Extra Security Headers
<IfModule mod_headers.c>
Header set X-XSS-Protection "1; mode=block"
Header always append X-Frame-Options SAMEORIGIN
Header set X-Content-Type-Options nosniff
</IfModule>

# One year cache for image files
<filesMatch ".(jpg|jpeg|png|gif|ico)$">
Header set Cache-Control "max-age=31536000, public"
</filesMatch>
# One month cache for css and js
<filesMatch ".(css|js)$">
Header set Cache-Control "max-age=2628000, public"
</filesMatch>