A content system that stores and serves content via API, leaving the front end entirely to you.
A headless CMS is a content management system that separates where content is stored and edited from where it is displayed. It provides an editing interface and stores content, then serves that content over an API, but it deliberately has no built-in front end, no fixed themes or page templates. The head, the presentation layer, is left for developers to build however they choose.
This contrasts with a traditional, coupled CMS where editing and presentation are bound together. Going headless lets you deliver the same content to a website, a mobile app, and any other surface from one source of truth.
Editors manage content in the CMS admin. A separate front end, often a modern framework using server-side rendering, requests that content through the CMS's API and renders it. The two are connected only by the API contract, so each can change independently.
Decoupling gives you full control over performance, design, and technology on the front end while keeping a friendly editing experience for content teams. It suits fast, SSR-rendered marketing sites and multi-channel content strategies far better than a rigid coupled CMS.
Headless adds moving parts, so it is not always the right call. Teams sometimes underestimate the front-end build effort, or lose editor-friendly previews. The right choice depends on whether you genuinely need the flexibility a headless setup provides.
A defined contract that lets two software systems talk to each other in a predictable way.
Rendering a page's HTML on the server so it arrives ready to display, before JavaScript runs.
The step where client JavaScript attaches to server-rendered HTML to make it interactive.
Common questions
Straight answers on how this fits your marketing and build.
Traditional WordPress couples content and presentation with themes and templates. A headless CMS serves content only via API and leaves the front end entirely to you, though WordPress can also be run headlessly.
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