Enabling the extension
- Open Safari.
- Safari menu → Settings → Extensions.
- Check the box next to FocusDragon.
- Click "Edit Websites" and set "All Websites" to "Allow".
- If you browse in Private Browsing, tick the "Allow in Private Browsing" option too.
Without site access, the extension cannot block anything. Make sure "All Websites" is set to "Allow".