Using WordPress entirely as CMS is option for people building web apps using technologies such as React JS or Angular JS to build their front-end..
Doing this, the front-end becomes decoupled from the back-end ( e.g.
Since WordPress is being used to manage and serve the content via REST API, WP front-end becomes unusable and unnecessary hence the term WordPress...
This plugin removes the front-end of WordPress..
Note that REST API, and other non-front-end stuff should work as normal...
Redirects all front-end pages to the login page...
Read more