Age header contains the time in seconds the object was in a proxy cache.
Age header is usually close to zero. If it is
Age: 0, it was probably fetched from the origin server; otherwise, it was usually calculated as
a difference between the proxy's current date and the
Date general header included in the HTTP response.
|Header type||Response header|
|Forbidden header name||no|
A non-negative integer that is time in seconds the object was in a proxy cache.
|Hypertext Transfer Protocol (HTTP/1.1): Caching |
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