Without extensions, none of the browsers offer full protection. But to Apple's credit, Safari seems a tad superior to Chrome and Firefox to me.
I just tried it with all 3 major browsers, plus latest Safari beta, all with built-in privacy features turned on (no 3rd party extensions):
Apple Safari 12.0.3
- Is your browser blocking tracking ads? partial protection
- Is your browser blocking invisible trackers? partial protection
- Does your blocker stop trackers that are included in the so-called "acceptable" ads whitelist? yes
- Does your browser unblock 3rd parties that promise to honor Do Not Track? no
- Does your browser protect from fingerprinting? your browser has a unique fingerprint
- Is your browser blocking tracking ads? partial protection
- Is your browser blocking invisible trackers? partial protection
- Does your blocker stop trackers that are included in the so-called "acceptable" ads whitelist? yes
- Does your browser unblock 3rd parties that promise to honor Do Not Track? no
- Does your browser protect from fingerprinting? your browser has a unique fingerprint
- Is your browser blocking tracking ads? partial protection
- Is your browser blocking invisible trackers? partial protection
- Does your blocker stop trackers that are included in the so-called "acceptable" ads whitelist? no
- Does your browser unblock 3rd parties that promise to honor Do Not Track? no
- Does your browser protect from fingerprinting? your browser has a unique fingerprint
- Is your browser blocking tracking ads? partial protection
- Is your browser blocking invisible trackers? partial protection
- Does your blocker stop trackers that are included in the so-called "acceptable" ads whitelist? no
- Does your browser unblock 3rd parties that promise to honor Do Not Track? no
- Does your browser protect from fingerprinting? your browser has a unique fingerprint