You can hide your entire site behind a site-wide password which prevents your site from being publicly accessed. Once the password has been entered, visitors can enter pages that are not password protected. To password protect your entire site, you will need to:
- Go to "Settings" from the left toolbar
- Click into "Password Protection"
- Select "Password protect whole website"
- Enter your Password
- Hit "Done"
To remove the site-wide password, follow the above instructions and select "No site-wide password".