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> Browser fingerprinting can be very robust if you select your data points correctly. E.g. installed plugins

can websites really see installed plugins?

Not really. They can‘t see a list, as navigator.plugins is dummy data in every major browser, but they might able to detect eg. Adblockers by other means

Adblocking is not rocket science, you block the DNS of the ads. Some also use JS to mess or remove ads.

All of this is easily detected, can I ping X, can I see DOM Y, etc.

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