Why is Akamai cache-control max-age decreasing value?
I am using Akamai and the cache-control headers max-age value is decreasing on each subsequent request when using honor origin cache control + expires. On other CDNs I don't experience the same behaviour.
On the app I have Cache-Control: max-age=2592000, public and the max-age value in the response headers seems to be calculated as the time Akamai fetched the asset from the server minus the max-age specified in the app.
Why is this happening? How can I have Akamai respond with max-age=2592000, public?
You can easily configure this via "Downstream cacheability" behaviour: » "Pass cacheability headers from origin" » This tunnels the Cache-Control and/or Expires header settings from the origin to the downstream.
Alternatively, for resources with TTL defined at the Edge you can set this to "Full edge TTL (max-age)".
Thanks to @TimVereeke.
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