What is a Headless CMS?

20 Jun 2026 | blog

 

What is a headless CMS?

Everything marketers and developers need to know about headless, decoupled, and API-first content management systems

1. What is a headless CMS? (the short version)

Headless CMS architecture separates back-end content functions (like creation, management, and storage) from front-end functions (like presentation and delivery).

OK, but really: What is a headless CMS?

So what does that actually mean? Why is headless architecture important to the future of digital experiences?

Headless architecture is partly a response to the way web content has evolved. For a long time, most web content was delivered through a browser, often as a web page. But new connected devices are arriving all the time.

Today, audiences consume content through new interfaces with different form factors—things like smartphones, wearables, AI-enabled voice assistants, and even virtual reality headsets.

Read more at Sitecore

Source: What is a Headless CMS?