there are MANY different ways to fingerprint something or someone, see e.g. https://abrahamjuliot.github.io/creepjs/ https://abrahamjuliot.github.io/creepjs/ or

there are MANY different ways to fingerprint something or someone, see e.g. https://abrahamjuliot.github.io/creepjs/ https://abrahamjuliot.github.io/creepjs/ or https://scrapeops.io/web-scraping-playbook/how-to-bypass-cloudflare/#passing-cloudflares-client-side-detection-techniques https://scrapeops.io/web-scraping-playbook/how-to-bypass-clo.... also fun fact, even Tor Browser can't hide the real OS you're running when a site uses javascript-based OS queries.