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Headless content management system

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A headless content management system, or headless CMS, is a back-end only content management system (CMS) built from the ground up as a content repository that makes content accessible via an API for display on any device.

The term “headless” comes from the concept of chopping the “head” (the front end, i.e. the website) off the “body” (the back end, i.e. the content repository). [citation needed]

Introduction

Whereas a traditional CMS typically combines the content and presentation layers of a website, a headless CMS is just the content component and focuses entirely on the administrative interface for content creators, the facilitation of content workflows and collaboration, and the organization of content into taxonomies. It doesn’t concern itself with presentation layers, templates, site structure, or design, but rather stores its content in pure format and provides access to other components (e.g. delivery front ends, analytics tools, etc.) through stateless or loosely coupled APIs. [1]

The headless CMS concept is one born of the demands of the digital era and a business’s need to focus on engaging customers with personalized content via multiple channels at all stages of the customer journey.[neutrality is disputed] As the content in a headless CMS is considered “pure” (because it has no presentation layer attached) just one instance of it can be used for display on any device; website, mobile, tablet, Internet of Things devices, smart watches, etc.

There is some confusion around what makes a headless CMS truly “headless”, as vendors use the term somewhat loosely to label their decoupled or hybrid CMS systems. But a true headless CMS is one that was built from the ground up to be API-first, not a full monolith CMS with APIs attached afterwards. [citation needed]

Cloud-first headless CMSs are those that were also built with a multitenant cloud model at their core and whose vendor promotes software as a service (Saas), promising high availability, scalability and full management of security, upgrades, and hotfixes, etc. on behalf of clients.[2][3]

Common features

Coupled CMS vs. headless CMS

Most traditional (monolithic) CMS systems are “coupled”, meaning that the content management application (CMA) and the content delivery application (CDA) come together in a single application, making back-end user tools, content editing and taxonomy, website design, and templates inseparable.

Coupled systems are useful for blogs and basic websites as everything can be managed in one place. But this means that the CMS code is tightly connected to any custom code and templates, which means developers have to spend more time on installations, customizations, upgrades, hotfixes, etc. and they cannot easily move their code to another CMS.


There is a lot of confusion around the differences between a decoupled CMS and a headless one because they have a lot in common.

A decoupled CMS separates the CMA and CDA environments, typically with content being created behind the firewall and then being synchronized and pushed to the delivery environment. The main difference between a decoupled CMS and a headless CMS is that the decoupled architecture is active—it prepares content for presentation and then pushes into the delivery environment—whereas a headless CMS is reactive—it sits idly until a request is sent for content.

Decoupled architecture allows for easier scalability and provides better security than coupled architecture, but it does not provide the same support for omnichannel delivery. Plus, there are multiple environments to manage, hiking up infrastructure and maintenance costs.[4] [5]

Criticisms and disadvantages

  • Multiple services: Managing multiple systems can be challenging and a team’s knowledge base must cover them all.
  • No channel-specific support: Since pure headless CMSs don’t deal with the presentation layer, developers may have to create some functionality, such as website navigation, themselves.
  • Content organization: As pure headless CMSs do not typically provide the concept of pages and web sitemaps, content editors need to adapt to the fact that content is organized in its pure form, independently on the website or other channel.

See also

References

  1. ^ "Headless CMS explained in 1 minute". Contentful. Contentful. Retrieved 25 January 2021.
  2. ^ Petr Palas. "Why 2017 Is the Year of Cloud-First Headless CMS". Retrieved 2017-01-30.
  3. ^ Stephen Griffin. "Cloud-First Headless CMS: What It Is and Why You Should Use It". Retrieved 2017-02-07.
  4. ^ Deane Barker. "The State of the Headless CMS Market". Retrieved 2017-02-08.
  5. ^ Brent Heslop. "A History of Content Management Systems and the Rise of the Headless CMS". Retrieved 2019-01-12.
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