Vary header without Cachecontrol header: Akamai wil not cache your data! Get the Akamai “debug” headers: curl -m 10 -D - -o /dev/null -s --compressed -H "Pragma: akamai-x-get-cache-key" -H "Pragma: akamai-x-cache-on" -H "Pragma: akamai-x-cache-remote-on" -H "Pragma: akamai-x-get-true-cache-key" http://i3.microsoft.com/library/svy/broker.js