cache control must revalidate:

Using Client-Side Cache Solutions And Server-Side Caching
As can been seen above, the only difference in the headers sent with the Dynamic Content and the Static Content are the Cache-Control and Expires values. The Dynamic Content example sets Cache-Control to no-cache, must-revalidate and
MSN Live Ripe For Duplicate Content?
ignore_user_abort(true); header (”Pragma: no-cache”); header(”Cache-Control: no-store, no-cache, must-revalidate”); header(”HTTP/1.1 301 Moved Permanently”); header(”Location: http://www.yourdomain.com/ “); header(”Connection: close”);
Compressed CSS Compression
Then, a "must-revalidate" "cache-control" header requires revalidation against currently specified variables. Finally, an "expires" header specifies the time duration for which the cached content should persist (one hour in this case).
Atlas 7: Caching web service response on browser and save
It will also prevent proxies from returning cached response when browser local cache expires after 60 seconds. HTTP/1.1 200 OK Cache-Control: private, must-revalidate, proxy-revalidate, max-age=60. Let's try to produce such response
Useless Meta Tags
<META http-equiv=”Cache-Control” content=”no-cache, must-revalidate”> <META http-equiv=”Robots” content=”index, follow”>. The majority of these tags are completely useless, and some of them will even harm your search engine rankings!
avoid web caching
setHeader("Cache-Control", "no-store, no-cache, must-revalidate"); // Set IE extended HTTP/1.1 no-cache headers (use addHeader). response.addHeader("Cache-Control", "post-check=0, pre-check=0"); // Set standard HTTP/1.0 no-cache header.
Integrating Pligg beta 8.1.0 with Wordpress 2.0.4 v1.1
$this->user_login = ""; $this->authenticated = FALSE; $this->SetIDCookie (0); //header("Pragma: no-cache"); header("Cache-Control: no-cache, must-revalidate"); header("Location: $url"); header("Expires: " . gmdate("r", time()-3600));
Re: Extract information from Response header
(Fedora) > X-Powered-By: PHP/4.3.10 > Cache-Control: no-cache, must-revalidate > Pragma: no-cache > Set-Cookie: paramAUTH3[login]= All legal agreements must be formulated > in writing on paper by a legal representative of JOUVE.
PHP General :: RE: session logout question
are you sending the no-cache headers? it may not help since IE (bless its little heart) loves to ignore the instructions to not cache the pages Code:. header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
Adobe PDF and IE caching problem
header("Pragma: public"); header("Expires: 0"); header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Cache-Control: public"); header("Content-Description: File Transfer");. The problem is caused by IE cache and I

Cache-Control
The Cache-Control general-header field is used to specify directives that MUST be In all circumstances an HTTP/1.1 cache MUST obey the must-revalidate
HTTP Cache Control : problems for end users behind a proxy
Tonight I added the "Cache-Control: must-revalidate" header to the drupal_page_header function. That seems to really solve the problems I was experiencing
HTTP: The Definitive Guide by Brian Totty, David Gourley This
Cache-Control: must-revalidate The Cache-Control: must-revalidate response header tells caches they cannot serve a stale copy of this object without first
XML.com: Doing HTTP Caching Right: Introducing httplib2
Cache-Control: must-revalidate, max-age=0. This forces the client to revalidate every request, since a max-age=0 forces the cached entry to be instantly
Controllo cache pagine web [rigacci.org]
<meta http-equiv="Cache-Control" content="max-age=300,must-revalidate"> When the must-revalidate directive is present in a response received by a cache,

HTTP: The Definitive Guide by Brian Totty, David Gourley This
Cache-Control: must-revalidate The Cache-Control: must-revalidate response header tells caches they cannot serve a stale copy of this object without first
XML.com: Doing HTTP Caching Right: Introducing httplib2
Cache-Control: must-revalidate, max-age=0. This forces the client to revalidate every request, since a max-age=0 forces the cached entry to be instantly
Controllo cache pagine web [rigacci.org]
<meta http-equiv="Cache-Control" content="max-age=300,must-revalidate"> When the must-revalidate directive is present in a response received by a cache,
Cache-Control Headers
header("Cache-Control: must-revalidate"); ?> The headers must be set before any content, Header append Cache-Control: "max-age=86400, must-revalidate"
[thelist] Test before using "Cache-control: no-cache" HTTP header
When I changed it to "Cache-control: must-revalidate", however, the problem downloading PDFs went away. The Microsoft site says that documents in formats
Openwave Developer Network - Support - Techniques for Managing the
By removing Cache-Control=must-revalidate and adding a cache ID to the addDeck function, If we remove the Cache-Control=must-revalidate from that list,
XMLHttpRequest - Wikipedia
addHeader( "Cache-Control", "must-revalidate" ); response.addHeader( "Cache-Control", "no-cache" ); response.addHeader( "Cache-Control", "no-store" )
HTTP/1.1: Caching in HTTP
In the latter case, it MAY return a previously received response unless the cached entry includes the "must-revalidate" cache-control directive (see section