Age HTTP Header - Original Server Response
Download List of All Websites using Age HTTP Header - Original Server Response
The Age header contains the time in seconds the object has been in a proxy cache.
X-Cache HTTP Header
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The resource was not in the website cache, and was pulled from the origin server like Varnish servers.
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Keep-Alive for 60 secs
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The Keep-Alive general header allows the sender to hint about how the connection may be used to set a timeout and a maximum amount of requests.
Vary Header Accept-Encoding
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The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.
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