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Headless CMS

A content management system that stores and models content but has no built-in front-end, exposing everything through APIs so any channel can consume it.

· Reviewed by senior engineers

A headless CMS separates content management from content presentation. The CMS handles modelling, editing, workflow, localisation and asset management; the front-end is whatever you want — a Next.js site, a mobile app, a digital signage screen, a voice assistant. Content reaches each channel through REST or GraphQL.

This matters because content has outgrown the website. A product description needs to appear on the website, in the mobile app, on Amazon, in an email and on a partner's storefront. A traditional monolithic CMS like WordPress (used in its classic mode) couples that content to a single PHP-rendered theme. Headless options like Sanity, Contentful, Storyblok, Strapi and headless WordPress let one source of truth feed every channel.

The trade-offs are real. Editors lose WYSIWYG-on-the-live-site unless you build a visual preview layer. Costs shift from hosting to API quota and developer time. And the front-end is now your problem in a way it isn't with a turnkey theme. A headless CMS without a clear front-end strategy is just a more expensive database.

Devinsta picks a headless CMS when content reaches multiple channels, when editors and developers need to move independently, or when performance demands static rendering. For small single-channel sites, a well-configured classic CMS is often still the right answer.

Examples

  • Sanity
  • Contentful
  • Storyblok
  • Strapi
  • Headless WordPress

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