As you probably know, Google Sites is a free service included in every Google account that allows the creation of Google websites. These free websites have a URL such as https://sites.google.com/site/siteName/pageName, but if you have a Google Apps account (education or business) and a domain, you will be able to customize this URL and even create e-mail accounts with an @domain.xxx address.

We are going to consider only the standard accounts without domains as they will be use cases for most of us, and Google Apps for business is a subject for another book on its own.

This means that some methods will be unavailable; if that is the case, the documentation will always mention it clearly (https://developers.google.com/apps-script/reference/sites/sites-app).

To start with creating a site, log in to your Google account and go to the URL https://sites.google.com/site/ that will show you all your current sites, if you have some, and suggest that you should...