They can still track you through your IP address, or by a combination of many browser/computer/OS properties available through JS, for example window size, brow

They can still track you through your IP address, or by a combination of many browser/computer/OS properties available through JS, for example window size, browser agent, OS, fonts installed, etc. All these things don't identify you by themselves, but with enough of them you can build a fingerprint which is (almost) unique.