Focal Press Mastering GitHub Pages: A Beginner's Guide

Mastering GitHub Pages: A Beginner's Guide edited by Sufyan bin Uzayr from CRC Press delves into static (and dynamic) websites as well as their advantages and disadvantages. Static websites tend to be incredibly fast since they have no processing time for databases and other stuff. Additionally, because you are committing a code base of static assets to a Git repository, the rolling back of changes is simply an issue involving reversion to a commit that was made previously. So backups are a mere git push away, and you are basically serving your entire website from a cache.