What “Headless” Actually Means
Headless content management is the practice of decoupling your content management system (CMS) from your front-end. Unlike with traditional (or “monolith”) systems, the CMS is not directly responsible for powering the web front-end. Instead, content is served to the front end from a remote system by way of an API, and the front-end consumes this data to render its pages. This can occur either at run-time (when a user lands on your website) or at build-time (content gets pre-rendered and generated in advance), but the important concept here is the separation between content and presentation layers.
If you’re planning to create a site using the Jamstack, you’re going to end up heading in this direction by default, but the approach is just as valid for other kinds of projects, using server-side languages such as PHP, .Net, or Ruby.
Why Decouple at All?
Headless originally emerged as a way to manage content for the Jamstack (before that term existed), but the approach has gained fans for several other reasons. Decoupling content from presentation makes it possible to deploy the same content across different platforms — a website and a native mobile app, for instance. One central content repository can feed the same content, or aspects of it, to multiple touchpoints including programmatic ads, rather than fragmenting it across systems managed by different teams.
Headless also fills holes in other systems. Shopify, for example, excels at commerce but isn’t the most flexible when managing richer content for an online store. Using a headless CMS, you can remotely manage additional content for a Shopify site and bring more power and flexibility than you would have by default. In one recent project, Shopify content was pulled through and synced to a headless CMS (Contentful in that case), making that CMS the primary data driver. The Shopify APIs were then only invoked for stock level checks and basket creation.
The same project let the team create custom data structures tailored to specific needs. For instance, the client wanted to highlight ingredients used in their products, something Shopify doesn’t expose a good way to manage. A new content type was created in the CMS and added to a custom product page alongside other custom content types. Instead of Shopify templates, Nuxt was used to build the site, but the data could equally have been integrated directly into Shopify templates. So long as you have access to scripting via JavaScript or a more traditional back-end language, headless can be integrated into your workflow.
Questions to Ask Before Committing
There are distinct benefits to going headless, but there are also costs and trade-offs. These questions are worth asking before you commit:
Do You Have the Expertise for the Split?
Moving to headless won’t get rid of the need for back-end skills. The mindset to structure data effectively and build content models that scale well is very different from what makes a great front-end developer. For significant projects, you’ll still want some developers focused on the “back end” areas and some on the front end. The divisions are finer and more malleable in headless land, but don’t assume that going headless lets you halve your development workforce. Those skills just shift.
Do You Know the Total Cost of Ownership?
Headless can often prove cheaper than a monolith, but the SaaS nature of most systems can mean costs don’t add up for large, rapidly changing datasets or very large teams. Check how vendor pricing scales and what it’s based on: some scale on data volume, some on number of API requests, some on number of collaborators editing content. The combination can dramatically affect how costs grow.
You’ll likely need to evaluate multiple platforms to estimate total cost. If search doesn’t come out of the box, what will it cost to add? And watch your build minutes — they can mount up quickly in development and content population phases. If you statically generate your site, a build is required after each publish action from the CMS, and on large sites those builds can take a while. Popular static hosting services such as Netlify and Vercel support build asset caching, and modern frameworks enable incremental builds to mitigate increasing costs, but you still need to research and monitor this.
Will You Be Able to Sell the Experience?
Your clients are the ones who have to live with the solution you put together. Even when clients claim they want industry-leading performance as a top priority, they may still choose a traditional alternative. Headless can look intimidating to content editors, especially when compared against “enterprise” systems that make it look like everything “just works”. You’ll be assembling individual tools, each designed to do one thing well, rather than presenting one large system. Unless you can make it easy for the client, that fragmentation can scare them off.
Have You Budgeted for the Custom Work?
Headless’s power and flexibility does not come for free. Because everything is custom, it often needs to be developed from scratch. There is no real “default” document schema — many headless systems are deliberately set up without one. That means tight, tailored models, but someone must define and create them. Because the front end and back end are decoupled, an engine must likely be built to allow previewing of draft content; modern frameworks include such systems but universally require additional configuration, and some require custom code. Mapping data to front-end components also needs to be done, since the front end isn’t tied to the content. Even tightly-coupled CMSes require some of this, but with headless, all of these allocatable tasks add up to significant development time.
Are You Comfortable With Off-Premises Data?
Many who work with headless CMSes and SaaS providers consider outsourced infrastructure a positive, but situations exist where housing data outside your own infrastructure might be less than desirable — for example, with sensitive or non-public production data. SaaS vendor security is usually strong, but outages still occur; even AWS has had them. The difference is in the failure mode: an outage or breach on your infrastructure stems from your own product or code, whereas an AWS outage affecting your SaaS-based CMS is likely precipitated by factors unrelated to your business. These incidents are rare, but in business-critical systems they can be extremely costly, and it’s an important consideration in the decision.
A Quick Tour of Headless Options
The headless CMS market has exploded, and the list of contenders grows monthly. Rather than attempt an exhaustive survey, here is a brief look at a few well-known platforms. For a wider view, resources like Headless CMS and CMS Comparison are useful starting points.
Contentful
Contentful, founded in 2016, is one of the most established headless platforms, positioning itself as an API-first content platform. It has improved support for translated content and offers multiple content environments, letting teams work away from production data and migrate changes later. Its integrations with SaaS products such as Shopify, CommerceLayer, and Cloudinary make it straightforward to bolt onto an existing stack.
Best for: teams wanting the most proven option in the headless space.
Storyblok
Storyblok is the headless-first platform that actually calls itself a CMS. Its visual editor is a genuine high point, providing a WYSIWYG interface that lets content authors edit in context. This addresses a traditional weakness of decoupled architectures. Storyblok also generates content schemas through its API, keeping structure close to code, and supports role-based permissions and translation workflows. It feels polished, particularly for content teams.
Best for: teams seeking the best-in-class visual editing experience from a headless CMS.
Sanity
Sanity is newer but has gained attention quickly. Its defining trait is that configuration and content models are written as code, which developers will find familiar. The platform supports highly custom document schemas and field types, suitable for content structures beyond just web pages. Its editing interface is clean, customizable, open-source, and built on React; you can host it anywhere or use Sanity's own infrastructure.
Best for: teams needing granular control over data structures and input components.
Prismic
Prismic, around since 2013, is a veteran of the space. It recently introduced SliceMachine, which creates a one-to-one mapping between content sections and front-end components. This lets editors build pages by assembling pre-defined building blocks. The editing experience is solid, and Prismic has filled gaps in its field selection over the years.
Best for: projects where minimizing friction for content editors is a priority.
More Traditional Routes
WordPress
WordPress still powers roughly 40% of the web in 2021 and isn't going away. Its developers have strengthened headless capabilities and API support. Newer editing tools have improved the writing experience, and managed WordPress services such as Nestify can offload security concerns. Even so, WordPress's ubiquity makes it a persistent target for attackers.
Best for: teams that want a familiar platform but with a modern, decoupled front end.
Sitecore
Sitecore is an enterprise CMS that has made notable headless strides with Sitecore JSS for Jamstack projects. A major obstacle to headless enterprise CMS use has been personalization; Uniform works with Sitecore to enable that functionality. Sitecore is heavy and costly, suited mainly to enterprise budgets. It deserves a mention alongside Adobe Experience Manager because many assume headless is only for small sites.
Best for: enterprise clients not ready to commit fully to new technology stacks.
Adobe Experience Manager
Adobe Experience Manager (AEM) is another enterprise heavyweight — large and expensive. Adobe now markets AEM as a “hybrid CMS,” offering both headless APIs and traditional page delivery. This flexibility helps marketing teams working across many channels with fine-grained control. It comes at a premium price that few beyond the top end of the enterprise can justify.
Best for: large organizations with significant budgets; AEM does far more than can be covered here but is genuinely costly.
How to Narrow the Field
The sheer number of options can be paralyzing. A few pointed questions help cut through the noise.
Time to Competence
Documentation, starter kits, and community maturity all shape how quickly your team ships. Not every vendor’s community is equally helpful, and spin-up time varies greatly.
Support and Pricing
Direct support often requires an enterprise tier. Be prepared for that cost to exceed a glance at the published pricing page suggests.
Vendor Stability
For clients, the vendor’s track record and financing matter. A forced re-platforming because the vendor shuts down mid-project is a scenario no one wants. Being able to assure the client of a vendor’s longevity is a real advantage.
Editing Experience
The people who live in the CMS will likely have strong opinions about it. These questions are worth asking:
“Can the system(s) you are looking at provide in-context editing or live draft previews?”
“How much effort is it to set these up?”
“How fast or slow does the editor itself run?”
“Is the user bombarded with options and unfamiliar buttons or are things well organised?”
Rich editing isn't a general strength of headless platforms, though Storyblok is an exception. Put a demo in front of your content editors early and listen to their reaction.
Data Portability
Vendor lock-in is a silent killer. I have sat through many pitches where the client's content was trapped in a proprietary system, requiring custom scrapers or a full rebuild to migrate. Ensure there is a straightforward export path from any CMS you choose. Headless systems, being API-native, are generally easier to escape, but verify this before committing.
Final Considerations
Choosing a content platform is a big decision for any project. Headless offers real power and flexibility, but it also introduces new costs and is not ideal everywhere. The upfront license price rarely reflects the total cost of ownership. Also, don't assume that decoupling removes the need for backend developers.
Make sure your whole team — including content editors — is comfortable with how a headless CMS differs from a conventional one. Editors are your most frequent users, so their experience should carry real weight in the decision. Asking whether you are choosing a solution because it is genuinely the best fit or simply because it is familiar or fashionable is the most useful question you can pose.
Further reading:
- Modern Methods For Improving Drupal’s Largest Contentful Paint Core Web Vital
- Visual Editing Comes To The Headless CMS
- A Guide To Image Optimization On Jamstack Sites
- Best Of Pro Scheduler Libraries
