[antonok]

As someone who's been building an adblocker for the last 6 years: yes, there's plenty of proof in the devtools console on more websites than you'd think.

Fingerprintjs [1] is a well known one that gets a lot of use. And if you check EasyPrivacy, you'll see the rules to block it [2] have been in place for a long time.

[1] https://github.com/fingerprintjs/fingerprintjs [2] https://github.com/easylist/easylist/blob/132813613d04b7228c...