http://coveryourtracks.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/learn
In this case, you become a “mystery user with a very specific combination of privacy protections installed.” In practice, the most realistic protection currently available is the Tor Browser, which has put a lot of effort into reducing browser fingerprintability.