What I mean is "Amazon can track you when you visit a website hosted on AWS", I have not any evidences that they really did it. Just as the OP's title shows, Go

What I mean is "Amazon can track you when you visit a website hosted on AWS", I have not any evidences that they really did it. Just as the OP's title shows, Google can ..., but we have not any evidences that they did it. When you visit a website hosted on AWS, your IP and browser fingerprint are all sent to AWS's servers, that is why they can track you. Whether or not they really track you is another thing.