e.g. https://aws-new-features.s3.us-east-1.amazonaws.com/update/2... and then https://aws-new-features.s3.us-east-1.amazonaws.com/update/2... is present but basically empty and https://aws-new-features.s3.us-east-1.amazonaws.com/update/2... is 403
also: https://aws-new-features.s3.us-east-1.amazonaws.com/html/aws... is the link found in the screenshot