Post author here: As others said, it's a CMS for static site generators.
Traditional CMS's are opinionated server side applications that live outside of the site developer's workflow, and are subject to maintenance and a high potential for getting hacked. The advantage is eschewing all of that for a hackable React app that literally lives on a page on your site, and gaining the speed and security benefits of static development.
Traditional CMS's are opinionated server side applications that live outside of the site developer's workflow, and are subject to maintenance and a high potential for getting hacked. The advantage is eschewing all of that for a hackable React app that literally lives on a page on your site, and gaining the speed and security benefits of static development.
To better understand the methodology, check out https://JAMstack.org.