[wp-hackers] Javascript Caching

[Ryan Scheuermann]

Michael,

I've witnessed this behavior also.  Under Firefox, you can check the 
Expires date of your cache by typing this into your browser window:  
"about: cache".  This is what I see for list-manipulation.js.php:

* Last modified:* 2006-06-07 15:42:24
*       Expires:* 1969-12-31 19:00:00

Cache-Control and Expires headers should be added to that file to enable browser caching properly.


Ryan Scheuermann

----
Concept 64, Inc. | Phone: 610.349.0703 | Web: www.concept64.com



Michael D Adams wrote:
> It seems that WordPress' PHP based javascript 
> (list-manipulation-js.php, cat-js.php, etc.) do not get cached by my 
> browser [1].  I have confirmed this by tailing my server's logs and by 
> watching the transactions with LiveHTTPHeaders [2].
>
> Does anyone else see similar behavior?
>
> Perhaps we should add to these files something like the following.
>
> header('Cache-control: max-age=2600000, must-revalidate', true);  // 
> ~1 month
> header('ETag: ' . $_GET['ver'], true);
>
> My knowledge of HTTP headers and browser/proxy caching is poor, however.
>
> Michael
>
> [1] Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.0.4) 
> Gecko/20060508 Firefox/1.5.0.4
> [2] http://livehttpheaders.mozdev.org/
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