diff --git a/management/univention-web/conffiles/etc/apache2/conf-available/univention-web.conf b/management/univention-web/conffiles/etc/apache2/conf-available/univention-web.conf
index 841d186..a35be6e 100644
--- a/management/univention-web/conffiles/etc/apache2/conf-available/univention-web.conf
+++ b/management/univention-web/conffiles/etc/apache2/conf-available/univention-web.conf
@@ -3,11 +3,16 @@
 <Directory "/var/www/univention/">
 	RewriteEngine On
 	ExpiresActive On
+	# one month for images and fonts
 	ExpiresByType image/* A2592000
+	ExpiresByType application/font-woff A2592000
+	# zero time for json files
 	ExpiresByType application/json M0
+	# one week for CSS and HTML files
 	ExpiresByType text/css M604800
 	ExpiresByType text/html M604800
-	ExpiresByType application/javascript M604800
+	# one day for JavaScript files
+	ExpiresByType application/javascript M86400
 </Directory>
 
 <LocationMatch "/univention/js/(hooks|config).js">