AEM Edge Delivery Services vs Headless

Traditionally headless is chosen because monolithic CMS platforms tend to be nonperformant and overly complex to implement. So the thought was to create a lean front-end, deployed on a platform like Vercel and then just connect it to a series of APIs that serve data. You can control the performance of the experience while de-coupling from the services that drive it.

And, for the most part this makes sense, especially for systems that don’t have direct correlation with the user experience. Think commerce, search, or custom backend microservices…

But someone has to own the glass.This is where going to the extreme and fully decoupling the CMS from the experience can introduce unintended complexity and hurt productivity since it’s more deployments your tech team has to manage, and more content abstractions your authors have to navigate.

Performance: It’s just more natural for the CMS to control the experience. And the primary driver of decoupling the CMS from the front-end just simply isn’t there with AEM Edge. It offers performance matching or exceeding front-end deployment platforms like Vercel or Netlify without having to manage the plumbing between layers.

Authoring: By definition, a headless CMS is going to be detached from the experience making it harder for your authors to effectively manage content. This imposes quality and productivity penalties, and makes the system less likely to be used to its full potential.

AEM Edge, on the other hand, uses tools that people already know. From traditional CMS WYSIWYG form-based authoring to near-zero ramp up Document-based content creation you can implement the authoring style that best suits your needs. Content is activated quickly and easily, directly by the people that are closest to it. And your authors will intuitively understand what content they're working on and how it will affect the experience.

Development: Going headless trades the complexity of a monolithic all-in-one platform for the intricacies of front-end deployment and integration. You still have to understand proprietary APIs, and always need to make sure that your integrations with the backend make sense to the people that have to populate the content.

AEM Edge is based purely on core web technologies. Vanilla HTML, JS, & CSS. Of course, you can utilize frameworks and libraries, but they aren’t imposed as required dependencies, which broadens available skillsets and future-proofs your code

Composable architecture makes sense… to a point. It’s generally more resilient and allows for implementation of best-fit services. And for many systems that truly are headless, it’s the right approach. But content management is inherently not headless–it’s literary how you control your experience. It’s the one piece that you shouldn’t decouple, and AEM Edge finally is a solution that allows you to do that without the drawbacks.