- In the Safari app on your Mac, choose Safari > Preferences, then click Websites.
- Click Pop-up Windows.
- Block pop-up windows for:
- A website in the list: Select the website in the right column, then choose the option you want.
- All websites that aren’t currently customised: Click the “When visiting other websites” pop-up menu in the bottom-right corner of the pane, then choose the option you want.
- You can see all websites you’ve customised under Configured Websites. If you don’t see Configured Websites, either you haven’t customised a website yet or cleared the list. See Change Websites preferences in Safari on Mac.
- All websites: Make sure no websites are listed under Configured Websites (to clear the list quickly, select the websites, then click Remove). Click the “When visiting other websites” pop-up menu, then choose the option you want.