Headless CMS

https://medium.com/tech-tajawal/why-headless-cms-is-becoming-so-popular-57d262b1e096

https://nordicapis.com/api-based-cms-buyers-guide/

https://prismic.io/

https://buttercms.com/quickstart/

https://www.cloudcms.com/blog.html

https://hackernoon.com/creating-a-progressive-web-app-with-a-headless-cms-part-2-88ffee198ff6

https://developer.kenticocloud.com/docs/hello-world-in-5-minutes

https://hackernoon.com/everything-you-need-to-know-about-graphql-a5bc3622e54

https://www.cmswire.com/web-cms/13-headless-cmss-to-put-on-your-radar/