[webkit-dev] Safari & Correctly Setting No-Cache via HTML

David D. Kilzer ddkilzer at kilzer.net
Thu Nov 1 16:12:50 PDT 2007

Have you tried testing the Safari 3 Public Beta on 10.4.10 to see if the issue
is resolved in there?


You might also take a look at the wKiosk browser, which uses WebKit to render
web pages (the same engine that Safari uses):



Richard Glaser <richard at scl.utah.edu> wrote:

> Hello:
> Sorry, if this isn't the best list to post this issue/question, but  
> here it goes...
> Our Library recently migrated to Automated Retrieval Center (ARC)
> <http://www.lib.utah.edu/libraryinfo/construct/newprogramareas/arc.html 
>  > that uses our library catalog (i.e. Horizon ) to requests  
> materials. We have been running into issues where only one requests  
> get sent on our Kiosks which are running Mac OS X 10.4.10 with Safari  
> 2.0.4 (419.3) we believe we tracked down the issue to the following  
> meta tag not being supported by Safari and FireFox on Mac OS X &  
> Windows, but works with IE on Windows.
> We had the developer add the following meta tags, and got FireFox to  
> work properly, but Safari still isn't working...
> 	 <META HTTP-EQUIV="Expires" CONTENT="0">
> 	<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
> 	<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
> There is also this suggestion:
> Change the Cache-Control header to:
> Cache-Control: no-store, no-cache, must-revalidate
> In HTML, that might look like this (I'm not sure):
> 	<meta http-equiv="cache-control" content="no-store, no-cache, must- 
> revalidate">
> You could also try this:
> 	<meta http-equiv="cache-control" content="max-age=0, no-store, no- 
> cache, must-revalidate">
> Anybody run into this and have suggestions?
> If we don't get this resolved we will need to re-script our kiosk  
> setup and migrate to FireFox, which will take some work and testing  
> and we would rather stick with Safari if possible.
> Thanks:
> Richard Glaser
> University of Utah - Student Computing Labs
> richard at scl.utah.edu
> 801-585-8016

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