Client caching on IIS 6 seems to be not working

[herao67]

When I minify CSS files with
OnRequest.ForCss("/stylesheet/PB.css").Compact.File("/stylesheet/PB.css").Configure();
The response HTTP headers are like this:

Cache-Control no-cache
Content-Type text/css
Date Mon, 23 Jul 2012 14:12:31 GMT
Expires -1
Pragma no-cache
Server Microsoft-IIS/6.0
Transfer-Encoding chunked
X-AspNet-Version 4.0.30319

which results in the browser always requesting the CSS file (and js files as well). I looked in the decompiled code, and it seems you only care for the configuration of IIS 7.

[Daniel15]

You should add a placeholder to the URL for it to send caching headers with a far-future expires header:

OnRequest.ForCss("~/stylesheet/PB-{0}.css").Compact.File("~/stylesheet/PB.css").Configure();