Question on Age header - a bit of help if anyone could spare the time
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02-20-2012, 11:14 PM
(This post was last modified: 02-20-2012 11:15 PM by p83822.)
Post: #1
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Question on Age header - a bit of help if anyone could spare the time
Got a third party who return headers like this (for 3 requests):
Cache-Control: public, no-transform, max-age=600 Expires: Mon, 20 Feb 2012 11:06:02 GMT Date: Mon, 20 Feb 2012 10:56:02 GMT Age: 7596 ... Cache-Control: public, no-transform, max-age=600 Expires: Mon, 20 Feb 2012 11:06:02 GMT Date: Mon, 20 Feb 2012 10:56:02 GMT Age: 7600 ... Cache-Control: public, no-transform, max-age=600 Expires: Mon, 20 Feb 2012 11:06:02 GMT Date: Mon, 20 Feb 2012 10:56:02 GMT Age: 7678 ... i.e. the Age header just keeps on going up. I had kinda assumed that the Age ought to increment up to 600 (599?) and then start all over again with new Date and Expires values. I want to get my facts straight before contacting the chaps about serving expired resources. Much obliged. N |
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02-22-2012, 11:37 AM
(This post was last modified: 03-24-2012 06:12 PM by laurabat.)
Post: #2
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RE: Question on Age header - a bit of help if anyone could spare the time
(02-20-2012 11:14 PM)p83822 Wrote: Got a third party who return headers like this (for 3 requests): I have no idea about age header! I too would like to know the answer! ![]() |
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02-23-2012, 05:07 AM
Post: #3
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RE: Question on Age header - a bit of help if anyone could spare the time
Looks like we have a guffed Proxy server someone in the route which adds the Age header.
The response from 'them' (from their caching layer) has a decrementing max-age and, when it get's to 0, a fresh response is served (new Date and Expires headers) with a full max-age. Looks like I put this on the wrong thread and, arguably on the wrong forum. Apologies for this. I so regularly scramble my head with caching and it's permutations and I know that users of this site know this stuff inside out. BR Neil |
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02-23-2012, 08:27 AM
Post: #4
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RE: Question on Age header - a bit of help if anyone could spare the time
I think you had a good place for the question just stumped all of us since what you were seeing didn't make any sense :-)
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