asp.net - Check if file/image is being loaded from cache? -


could recommend tools able see external files / images being loaded from. mean i'm aware external js files / images cached on first load of page. i'd have tool confirms me on subsequent requests these files in fact being loaded users cache rather downloading file again.

apologies, if has been answered elsewhere, have tried search no luck.

thanks david

if using firefox browser, find firebug useful resource helping things, , many others.


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