Cutting through the deluge of marketing-speak: A Headless CMS is a GUI that simply lets nontechnical people manage content in a database (as opposed to traditional WordPress, which included front-end templating logic). These aren't super new but they are good. They're extra good in a world where you're increasingly likely to have multiple front-ends for a single application.
> A Headless CMS is a GUI that simply lets nontechnical people manage content in a database. This is exactly what a headless CMS is not . A headless CMS is a content management system served through an API. Thus, legacy render-based CMS like Wordpress / Joomla where the database is completely tied to framework will decrease because of how heavy, poorly flexible and competitive they are from every point of view. It’s…
That phrase doesn't make any sense.
> legacy render-based CMS like Wordpress / Joomla where the database is completely tied to framework will decrease
That's exactly what I said.
> It’s also important to note that your CMS isn’t bound to any render-full GUI like WordPress but instead can be managed from anywhere as long as you have the APIs for it.
I think you may be getting the front-end GUI and back-end GUI mixed up. A headless CMS omits the front-end GUI, but includes a back-end (content management) GUI. It admittedly also includes a light CRUD API over the database, so it's slightly more than I initially said, but not much.
Here's a more in-depth explanation. Maybe this will clear things up for you: https://css-tricks.com/what-is-a-headless-cms/