What Is Jamstack?
Jamstack Architecture
Jamstack is a web architecture pattern where sites are pre-rendered at build time (SSG), served from a CDN, and enhanced with JavaScript and APIs. The name originally stood for JavaScript, APIs, and Markup.
How Jamstack Works
Jamstack decouples the frontend from the backend. Content is pre-built into static HTML, served from a CDN for speed, and dynamic features (forms, search, payments) are handled by third-party APIs and serverless functions. Netlify, Vercel, and Cloudflare Pages are built for this architecture.
Key Concepts
- Pre-rendering — Pages are built at deploy time, not on each request — maximum performance
- Headless CMS — Content management systems like Contentful and Sanity provide content via API without a built-in frontend
- Edge Functions — Serverless functions running at CDN edge locations for personalization and dynamic behavior
Frequently Asked Questions
Is Jamstack still relevant in 2026?
The term is used less, but the architecture is everywhere. Astro, Next.js static export, and Cloudflare Pages all follow Jamstack principles. The pattern won; the branding faded.
What are examples of Jamstack sites?
Developer docs (Stripe, Cloudflare), marketing sites, blogs, and e-commerce stores. Any site that can be pre-rendered benefits from Jamstack principles.