A headless CMS, as opposed to a traditional CMS, omits the frontend and is not bound by a specific delivery channel, such as a website. There is no presentation layer, no frontend development toolset out-of-the-box. In other words, there is no head – hence the name. In a headless platform, the content is made available to frontend consumer via APIs and you can have anything on the receiving end: websites, mobile apps, AR and IoT devices and various integrations with third-party systems. Read more:
Decoupled or Headless CMS? Why Sitefinity is the Right Answer.