owning a website means I know where you have been and where you are going when you visit me.
I know that can be done, but am not convinced all computers show that.
If java script is fully allowed, you may be correct.
The actual IP address can be spoofed, I never have, but the bad guys can and do spoof location. And then there are the people who use VPN to a search engine to not show original IP.
In the past, I did have a website for a couple of years. Long ago. Many websites are not data collectors. They are the ones who are not interested in click bate.