Hi, I am now start learning and thinking to use Varnish cache. I would like to know how can we know from the response whether the content is retrieved from the Varnish cache or from the web server?
I have seen some cache devices, they returns HTTP AGE in HTTP header: - If Age is 0, it means the content is from web server - If Age is not 0 (greater than 0), means the content is from the cache device. I am not sure if Varnish cache has this ability?
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