Caching Tutorial for Web Authors and Webmasters - The Diigo Meta page

• 23 May 12
  

  alexei guevara

  Everything You Wanted To Know About Caching http://t.co/rFmm8EgP (http://t.co/0rWeAcNQ)

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• 21 May 12
  

  anwarkay

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  Bernhard S
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• 06 Apr 12
  

  Takahiro Nishimura

  http caching

  • 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.
  • 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).
  • 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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• 21 Mar 12
  

  audrius kucinskas

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• 23 Feb 12
  

  kim jung yun

  Great article~^^ RT @xguru: 웹개발자와 관리자를 위한 캐슁 튜토리얼 http://t.co/dNqe68Kg HTTP 상의 헤더/메타태그를 이용한 캐쉬방법들을 총정리한 문서로군요

• 22 Feb 12
  

  Francesco Uliana

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  Http Caching performance Tutorial

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• 18 Feb 12
  

  Simon Gianoutsos

  explanation of the technical ins and outs of web caching.

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• 17 Feb 12
  

  Jeremy Frazzizle

  cache tutorial development sysadmin

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  Elena Papastefan

  Caching Tutorial for Web Authors and Webmasters http://t.co/qAlFzuNL @mnot

• 16 Feb 12
  

  rico_onksewd

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  Owen Winkler

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  kim ji youl

  A Guide to HTTP Caching http://t.co/d3sTvFcR

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• 02 Feb 12
  

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• 17 Jan 12
  

  leeyuiwah
  • I

    f the request is authenticated or secure (i.e., HTTPS), it won’t be  cached.
  • without checking
  • If no validator (an ETag or Last-Modified header) is present on a response, and it doesn't have any explicit freshness information,  it will usually — but not always — be considered uncacheable.
  • Expires HTTP header
  • no-cache — forces caches to submit the request to the  origin server for validation before releasing a cached copy, every time.
  • Last-Modified header
  • 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-Match request, the representation really is the same.
  • Generate Content-Length response headers
  • If you’d like such pages to be cacheable, but still authenticated for every user, combine the Cache-Control: public and no-cache headers.

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• 05 Jan 12
  

  Bruno Passos

  Dev Performace

• 03 Jan 12
  

  danga kun

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• 02 Jan 12
  

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• 23 Dec 11
  

  Igor Longagnani

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• 18 Dec 11
  

  rfessler

  "Caching Tutorial
  
  for Web Authors and Webmasters"

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• 13 Dec 11
  

  Tony L

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• 25 Nov 11
  

  elle m

  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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• 22 Nov 11
  

  Kashif Aziz

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• 21 Nov 11
  

  emilchacko

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• 20 Nov 11
  

  TJ Stankus

  http caching

  • There are two main reasons that Web caches are used
  • To reduce latency
  • To reduce network traffic
  • Browser Caches
  • 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).
  • aren’t part of the client or the origin server, but instead are out on the network
  • 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.
  • 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.
  • Content delivery networks (CDNs) distribute gateway caches throughout the Internet (or a part of it) and sell caching to interested Web sites. Speedera and Akamai are examples of CDNs.
  • 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.

  8 more annotations...

• 16 Nov 11
  

  Frank Baxter

  cache

• 24 Oct 11
  

  Manuel Ryan Espinosa

  chaching tutorial recomended by .net mag

• 23 Oct 11
  

  Hyung-Joo Lim

  RT @dhorrigan Awesome HTTP caching tutorial. A little old, but everything still applies
  http://t.co/pq6735Ij

• 22 Oct 11
  

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• 13 Jul 11
  

  Russ

  Great tutorial on how browser caching works for web pages.

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• 08 Jul 11
  

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• 28 Jun 11
  

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• 17 Jun 11
  

  Ronan Amicel

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• 15 Jun 11
  

  Peter B

  <?php
  Header("Cache-Control: must-revalidate");
  
  $offset = 60 * 60 * 24 * 3;
  $ExpStr = "Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT";
  Header($ExpStr);
  ?>

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• 13 Jun 11
  

  appolo

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• 09 Jun 11
  

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• 30 May 11
  

  Tony Piazza

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• 26 May 11
  

  Attila Juhasz

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• 29 Apr 11
  

  Trevor Berman

  Ever 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.

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• 25 Apr 11
  

  Alessandro Sinopoli

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• 18 Apr 11
  

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• 21 Mar 11
  

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• 10 Mar 11
  

  Ian Gray

  Caching Tutorial for Web Authors and Webmasters

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• 16 Feb 11
  

  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 ;)

• 14 Feb 11
  

  Rudiger Wolf

  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 cla

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• 12 Feb 11
  

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• 05 Feb 11
  

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• 01 Feb 11
  

  Phil Smith

  "Cache-Control HTTP Headers"

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• 18 Jan 11
  

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• 11 Jan 11
  

  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."

• 08 Jan 11
  

  Hamid Sarfraz

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• 04 Jan 11
  

  Christian Nennemann

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• 23 Dec 10
  

  nikolavp

  programming HTML

• 19 Dec 10
  

  Juan Felipe Alvarez

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• 18 Dec 10
  

  Web cache tutorial

Page Comments

• 
  Freddy mallet on 2005-12-28
  Explication sur la manière dont les navigateurs et les proxys cachent les pages web et les manières de controler ce mécanisme de cache
• 
  Tom Wright on 2006-08-21
  Generalised caching tutorial
• 
  VibeTalk Admin on 2006-10-07
  An excellent overview of web caching concepts

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