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YSlow is complaining about some images with misconfigured ETags, I found some articles and followed the instructions, but it is still not working for me in IIS 8.5

Any idea what is the right way to ADD eTags or how to add a Rewrite Rule that can do it?

For example, YSlow on https://UFOToday.com

enter image description here

Yovav
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  • Please define "how to do that". Do you need to add, remove or reconfigure Etag headers? Here are some examples to remove the Etag header: https://www.saotn.org/remove-etags-http-header-iis/ , but you might require them if your hosting environment relies on etag headers. – Jan Reilink Sep 26 '16 at 12:49
  • I'm adding ?v=1 manually - maybe that's causing the problem? – Yovav Sep 27 '16 at 15:26

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