Safari Privacy preferences on Mac
Use Privacy preferences in Safari to remove and block data that websites can use to track you in Safari. To view these preferences, choose Safari > Preferences, then click Privacy.
Prevent cross-site tracking
Some websites use third-party content providers. A third-party content provider can track you across websites to advertise products and services.
With this option turned on, tracking data is periodically deleted unless you visit the third-party content provider.
Block all cookies
Don’t let any websites, third parties, or advertisers store cookies and other data on your Mac. This may prevent some websites from working properly.
Manage Website Data: See which websites store cookies and other information on your Mac. Remove cookies and website data for individual websites or all of them.
Allow websites to check if Apple Pay is set up
When you are on a website that uses Apple Pay, the website can check if you have Apple Pay set up on that device. If you are on a Mac to which a card cannot be added, the website can check if you have Apple Pay set up on an iPhone or Apple Watch. You may disable websites you visit from checking if Apple Pay is set up at any time by disabling Apple Pay: Allow websites to check if Apple Pay is set up, on your macOS device in Safari > Preferences > Privacy.
This option appears if you have either a:
If you allow websites to check if Apple Pay is set up, one of two things can happen: