Edit Pages, Text, and Images: https://support.google.com/sites/answer/90538?hl=en

Rename: Your Google Site's URL is based on the name of your site. To change the name of your site, see these instructions.

Invite Others to Edit Your Site: You can invite staff and students to edit your site by following these easy steps.

Publish Your Site: https://www.teachercast.net/google-sites-publishing-settings/