Presumably they're using the same mechanism as today, but just enabling it by default. That means it's based on the Disconnect.me blacklist: https://support.moz

Presumably they're using the same mechanism as today, but just enabling it by default. That means it's based on the Disconnect.me blacklist: https://support.mozilla.org/en-US/kb/tracking-protection#w_block-lists-in-firefox https://support.mozilla.org/en-US/kb/tracking-protection#w_b...