Page-embedded Javascript and uploaded images are not cached.

Hello All,
I was reading in Wiki APEX and I found this line mentioned as cons: "Page-embedded Javascript and uploaded images are not cached".
The question that I have posted many questions here how to enable the cache for Images and Javascripts but didn't get it right, is the wiki info right about the cache for images and JS?
thanks,
Fadi.

Look at the bottom of this page as well [http://carlback.blogspot.com/2007/12/apex-and-3rd-party-js-libraries.html]
Patrick Wolf
Carl,
the only drawback with #WORKSPACE_IMAGES# and #APP_IMAGES# is that it doesn't get cached by the browser. So each page request will transmit the hole file again. A caching option for the "Static Files" in the Shared Components would be nice :-)
About lazy loading with the #WORKSPACE_IMAGES#. I could think about a mod_rewrite rule which translates the additional file request of the JS library into a valid request for APEX.
Carl Backstrom
In 3.1 we emit a last modified header now for uploaded files so that should help with browser caching.
I wonder if anything's changed since then.
Kofi

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