[jboss-dev-forums] [Design of JBoss Labs] - Re: Wrong headers slowing www.jboss.org down

[Tobias]

Adam, you are totally right that the 304 mechanism may be working.

The point is, that the resources are returned with a Expires header that is set to Last-modified. That means the Expires date is always in the past. Thus the browser immediately expires the resource and does not even try to use a If-Modified-Since. Therefor a slight improvement would be leaving the "Expires" headers away. It would be even better if Expires would be set to "request-time + some hours". Alternatively just a Cache-control max-age header.

Cheers!

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