Web Shield - Site blocking
Manage this feature at: Menu ▸ Settings (gear icon) ▸ Active Protection ▸ Web Shield ▸ Customize ▸ Site blocking
Enter the URLs of any websites you want to block so they cannot be viewed in your browser. This feature can be used to block access to sites that you do not want children or other users to be able to access, such as sites that contain adult content.