@Lèsemajesté Most Often not. no-cache and max-age=0 say the the item would be to be considered stale. This means the it has to be revalidated prior to remaining served. Which means that a cache could store the file and then accomplish a conditional ask for to which the server could https://www.diigo.com/item/note/bkcrs/s6j4?k=c3ea38ac7509a1e68b33ccc1cddaf037