Web & Mobile
A headless CMS is a content management system that decouples the content repository (back end) from the presentation layer (front end), delivering content as structured data via APIs to any channel or device.
Traditional CMS platforms like WordPress tightly couple content storage and templating, making it difficult to deliver the same content to a website, mobile app, digital signage, and voice assistant simultaneously. A headless CMS removes the 'head' (the frontend presentation layer) and exposes content through REST or GraphQL APIs, letting developers build the frontend with any framework — React, Vue, Swift, Flutter — while editors manage content in a familiar interface. This separation enables omnichannel publishing from a single source of truth and gives development teams full control over performance, design, and technology choices without being constrained by the CMS's templating system. Popular headless CMS platforms include Contentful, Sanity, Strapi, and Directus.
Example
A retail brand manages product descriptions and marketing copy in Contentful (headless CMS) and displays the same content on its React website, iOS app, and in-store kiosk with no content duplication.
Related terms
CMS (Content Management System)
A CMS is a software platform that enables users to create, manage, and publish digital content — web pages, blog posts, media — through a web-based interface without requiring direct code editing.
API (Application Programming Interface)
An API is a defined set of rules and protocols that allows one software application to request and exchange data or functionality with another, acting as a structured contract between systems.
Frontend
Frontend refers to the client-side layer of a web or mobile application — everything the user sees and interacts with directly, including layout, visual design, navigation, and interactive behaviour rendered in the browser or on the device.
SSR (Server-Side Rendering)
SSR is a web rendering technique in which HTML pages are generated on the server for each request and sent fully formed to the browser, enabling fast initial page loads and search engine-friendly content.
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