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HTTP caching

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Revision 1142099:

Revision 1142099 by fscholz on November 13, 2016 at 3:46:55 AM PST

Revision 1142905:

Revision 1142905 by RosevearDev on November 15, 2016 at 6:05:37 AM PST

Title:

HTTP caching

Slug:

Web/HTTP/Caching

Tags:

Caching, Guide, HTTP

"Caching" "Guide" "HTTP"

Comment:

Revert to revision of 2016-08-22 06:34:08 by anthony-geoghegan

Corrected grammar

Content:

	Revision 1142099			Revision 1142905
n	23	<img alt="What a cache provide, advantages/disadvantages of	n	23	<img alt="What a cache provide, advantages/disadvantages of
	>	shared/private caches." src="https://mdn.mozillademos.org/files/		>	shared/private caches." src="https://mdn.mozillademos.org/files/
	>	13777/HTTPCachtType.png" style="height: 573px; width: 910px;">		>	13777/HTTPCachtType.png" style="height:573px; width:910px">
n	100	The most important directive here is "<code>max-age=<sec	n	100	The most important directive here is "<code>max-age=<sec
	>	onds></code>" which the maximum amount of time a resource will		>	onds></code>" which is the maximum amount of time a resource w
	>	be considered fresh. Contrary to {{HTTPHeader("Expires")}}, this		>	ill be considered fresh. Contrary to {{HTTPHeader("Expires")}}, t
	>	directive is relative to the time of the request. For the files		>	his directive is relative to the time of the request. For the fil
	>	in the application that will not change, you can usually add aggr		>	es in the application that will not change, you can usually add a
	>	essive caching. This includes static files such as images, CSS fi		>	ggressive caching. This includes static files such as images, CSS
	>	les and JavaScript files, for example.		>	files and JavaScript files, for example.
n	133	<img alt="Show how a proxy cache acts when a doc is not cac	n	133	<img alt="Show how a proxy cache acts when a doc is not cac
	>	he, in the cache and fresh, in the cache and stale." src="https:/		>	he, in the cache and fresh, in the cache and stale." src="https:/
	>	/mdn.mozillademos.org/files/13771/HTTPStaleness.png" style="heigh		>	/mdn.mozillademos.org/files/13771/HTTPStaleness.png" style="heigh
	>	t: 910px; width: 822px;">		>	t:910px; width:822px">
t	194	<img alt="The Vary header leads cache to use more HTTP head	t	194	<img alt="The Vary header leads cache to use more HTTP head
	>	ers as key for the cache." src="https://mdn.mozillademos.org/file		>	ers as key for the cache." src="https://mdn.mozillademos.org/file
	>	s/13769/HTTPVary.png" style="height: 817px; width: 752px;">		>	s/13769/HTTPVary.png" style="height:817px; width:752px">

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