What is Jamstack?
Jamstack is a modern web architecture that decouples the front end from the back end, using JavaScript, APIs, and Markup to build fast, secure, and scalable websites that are pre-rendered at build time and served from a CDN.
How Does Jamstack Work?
The term Jamstack originally stood for JavaScript, APIs, and Markup, though it has evolved into a broader architectural approach. Instead of generating pages on a server for each request, Jamstack sites are pre-built into static HTML during a build step, then deployed to a CDN for global distribution. Dynamic functionality like user authentication, payments, or form submissions is handled through APIs and serverless functions rather than a traditional application server.
This architecture provides significant advantages: pre-rendered pages load extremely fast, the reduced server-side surface area improves security, CDN distribution means effortless global scaling, and the developer experience benefits from a clear separation of concerns. Popular tools in the Jamstack ecosystem include static site generators like Next.js, Gatsby, and Hugo, headless CMS platforms like Contentful and Sanity, and deployment platforms like Vercel and Netlify.
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