AFAIK, you can't serve pages from S3 over HTTPS using your own domain name, but https://bucketname.s3.amazonaws.com/ https://bucketname.s3.amazonaws.com/ works

AFAIK, you can't serve pages from S3 over HTTPS using your own domain name, but https://bucketname.s3.amazonaws.com/ https://bucketname.s3.amazonaws.com/ works fine. So if you have some other way of serving your HTML pages, you can include other static assets directly from S3 without triggering browser mixed-content warnings.