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by Matt3o12_ 2926 days ago
One problem is that your user agent is matched against all tested user agents from all times. This includes very old ones. If the user agent was used to track you online, they would account for that it frequently updates and for a lot of users (considering that most browsers update automatically these days).

So the site should really only take into account your OS, maybe its major version, and browser version (which changes frequently so trackers can’t rely on that). Or at least not count any that are not used anymore.