In this article, we will delve into the process of retrieving the Site Template for a SharePoint Online site using PowerShell, Page Source, and CoreView.
Under “REPORTS”, select “SharePoint” and choose “SharePoint site usage”.
Ensure to scroll down and check if the “Template” and “Root web template” columns are selected. If not, you can select them from the list. By doing so, you'll be able to access the necessary information.