A headless CMS pays off when content needs to reach multiple channels from a single source. Here are the seven core use cases — with real-world examples from Nike, IKEA, BBC, Spotify, and Netflix — and when to choose each platform.

A static site generator (SSG) turns templates, content files, and data into a complete set of pre-built HTML pages at build time — not per request. Every visitor gets the same pre-rendered HTML file pulled directly from a CDN, with no database query and no per-request rendering bottleneck. That single architectural decision makes SSGs the default choice for documentation sites, marketing sites, blogs, and increasingly the frontend layer of headless commerce stacks. Understand

Connecting Next.js to a Wix backend gives you a production-grade content management system, ecommerce engine, authentication layer, and data API, without standing up any server infrastructure yourself. Wix Headless exposes the full Wix business stack through a typed JavaScript SDK and REST API, making it a backend-as-a-service purpose-built for teams building on modern frameworks like Next.js.

Headless CMS has become the agency default for one practical reason: it solves client content autonomy, creates reusable systems across projects, and builds defensible retainers. Here's why agencies are switching, how delivery works, and which platform to recommend for each client type.