IIS 7.5 How do you add a Dynamic HTTP Expires Header

Question

In IIS 7.5, you can add static HTTP Response headers, but I want to add an \"Expires\" header that always specifies a date that is 7 days in the future.

I\'m running

Answer 1

You can only add dynamic expires header using program code.

Source: The Microsoft IIS Site

You should use Cache-Control max-age instead, like suggested in the other answer.