Theoretically, server-side analytics could use the user-agent strings and other headers in the request to have infallible analytics. In practice, a lot of serve

Theoretically, server-side analytics could use the user-agent strings and other headers in the request to have infallible analytics. In practice, a lot of server-side analytics in practice rely on third-party tracking scripts (like Google Analytics) and other such practices that get blocked by tools like Privacy Badger, etc.