Tracking/advertising corporations have developed techniques called ‘browser fingerprinting’ where innocuous seeming things like screen size and the fonts you ahve installed on your system can be used to uniquely identify you and track you across the internet even without cookies or anything like that.
Yeah, I feel like OP may not have actually used Fedora… By default Fedora is probably the least similar to Windows of any major distro (this is actually one of the most commonly expressed frustrations with new users).