This link has been bookmarked by 696 people . It was first bookmarked on 02 Mar 2006, by Joel Liu.
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23 May 12
alexei guevaraEverything You Wanted To Know About Caching http://t.co/rFmm8EgP (http://t.co/0rWeAcNQ)
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This is not necessarily true; the HTTP specification does not set any guidelines for Pragma response headers; instead, Pragma request headers (the headers that a browser sends to a server) are discussed.
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Meta tags are easy to use, but aren’t very effective. That’s because they’re only honored by a few browser caches, not proxy caches (which almost never read the HTML in the document).
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Meta tags are easy to use, but aren’t very effective. That’s because they’re only honored by a few browser caches, not proxy caches (which almost never read the HTML in the document).
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kim jung yunGreat article~^^ RT @xguru: 웹개발자와 관리자를 위한 캐슁 튜토리얼 http://t.co/dNqe68Kg HTTP 상의 헤더/메타태그를 이용한 캐쉬방법들을 총정리한 문서로군요
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22 Feb 12
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Simon Gianoutsosexplanation of the technical ins and outs of web caching.
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17 Feb 12
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Elena PapastefanCaching Tutorial for Web Authors and Webmasters http://t.co/qAlFzuNL @mnot
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16 Feb 12
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kim ji youlA Guide to HTTP Caching http://t.co/d3sTvFcR
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If the request is authenticated or secure (i.e., HTTPS), it won’t be cached.
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without checking
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If no validator (an
ETagorLast-Modifiedheader) is present on a response, and it doesn't have any explicit freshness information, it will usually — but not always — be considered uncacheable. -
ExpiresHTTP header -
no-cache— forces caches to submit the request to the origin server for validation before releasing a cached copy, every time. -
Last-Modifiedheader -
ETags are unique identifiers that are generated by the server and changed every time the representation does. Because the server controls how the ETag is generated, caches can be surer that if the ETag matches when they make a
If-None-Matchrequest, the representation really is the same. -
Generate
Content-Lengthresponse headers -
If you’d like such pages to be cacheable, but still authenticated for every user, combine the
Cache-Control: publicandno-cacheheaders.
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05 Jan 12
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23 Dec 11
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25 Nov 11
elle mThis is an informational document. Although technical in nature, it attempts to make the concepts involved understandable and applicable in real-world situations. Because of this, some aspects of the material are simplified or omitted, for the sake of clarity. If you are interested in the minutia of the subject, please explore the References and Further Information at the end.
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22 Nov 11
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There are two main reasons that Web caches are used
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To reduce latency
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To reduce network traffic
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Browser Caches
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Proxies serve hundreds or thousands of users in the same way; large corporations and ISPs often set them up on their firewalls, or as standalone devices (also known as intermediaries).
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aren’t part of the client or the origin server, but instead are out on the network
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Also known as “reverse proxy caches” or “surrogate caches,” gateway caches are also intermediaries, but instead of being deployed by network administrators to save bandwidth, they’re typically deployed by Webmasters themselves, to make their sites more scalable, reliable and better performing.
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Requests can be routed to gateway caches by a number of methods, but typically some form of load balancer is used to make one or more of them look like the origin server to clients.
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The fact is that proxy and browser caches will be used whether you like it or not. If you don’t configure your site to be cached correctly, it will be cached using whatever defaults the cache’s administrator decides upon.
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16 Nov 11
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Hyung-Joo LimRT @dhorrigan Awesome HTTP caching tutorial. A little old, but everything still applies
http://t.co/pq6735Ij -
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Daniel Nollcaching tutorial, including caching headers
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Trevor BermanEver wonder if your browser cache just dumps all data when it hits its MB limit or if it, at that point, replaces the old with the new like a stream? Ever update a client site only to have them lament that the pages haven't changed? "Try force-clearing the cache." "Will all my visitors have to do that?" Here's the one source I've found that will tell you about all this and more about the mysterious browser cache.
cache cache control usability web programming website design
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Romain Pouclet@ratibus Merci :) j'ai aussi trouvé cet excellent tuto : http://www.mnot.net/cache_docs/ pas mal de matériau pour faire une synthèse ;)
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14 Feb 11
Rudiger WolfThis is an informational document. Although technical in nature, it attempts to make the concepts involved understandable and applicable in real-world situations. Because of this, some aspects of the material are simplified or omitted, for the sake of cla
cache caching http web tutorial performance webdev programming
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Jacques Bosch"This is an informational document. Although technical in nature, it attempts to make the concepts involved understandable and applicable in real-world situations. Because of this, some aspects of the material are simplified or omitted, for the sake of clarity. If you are interested in the minutia of the subject, please explore the References and Further Information at the end."
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