Many websites show you how to build a basic blog/website using Google Blogger, but Blogger Page Manager is a FREE tool to help build your site content and manage it afterward. It helps you manage a site of any size but it is especially useful for managing sites with lots of content that may contain HUNDREDS of pages of information using only FREE Google resources.
Blogger Page Manager is a Google Sheets spreadsheet that only uses built-in Sheets functions, no scripts, so it's safe to use