That is a great point, but kind of outside the scope of his article. I think using the /speedtest/ folder as a test across the same resource would provide some

That is a great point, but kind of outside the scope of his article. I think using the /speedtest/ folder as a test across the same resource would provide some clues. s3/asset.jpg s3/speedtest/asset.jpg Of course, they might whitelist using speedtest but give priority based on originating domain (which would obviously make a billion times more sense).