Journal/Technology

Understanding Jamstack Architecture

Jamstack has changed how modern websites are built and deployed. We explain the architecture, its benefits, and when it makes sense for your project.

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What Jamstack actually means

Jamstack stands for JavaScript, APIs, and Markup. It's less about specific tools and more about an architectural approach: pre-render as much as possible, then use APIs for the dynamic bits.

Instead of a server generating pages on every request, Jamstack sites are pre-built into static files and served from a CDN. Dynamic features such as forms, authentication, and payments are handled by APIs and serverless functions.

How it works

Build time

A static site generator (Gatsby, Next.js, Hugo) pulls content from your CMS, processes it, and produces optimised HTML, CSS, and JavaScript files. Those files are deployed to a CDN.

Request time

When a visitor hits your site, they receive pre-built files from a CDN edge node near them. No database queries. No server processing. Cached content, served fast.

Dynamic functionality

Need a contact form? A serverless function handles submission. Need authentication? A service like Auth0 handles it. Need search? Algolia provides an API. Each dynamic feature is handed to the right tool for the job.

The benefits

Performance

Pages served from a CDN are quick. There's no server-side processing delay or database query time, because the content is already built and waiting at the edge. For Australian visitors, that often means a Sydney or Melbourne edge node instead of a round trip to the US.

Security

With no server or database exposed to the public, the attack surface shrinks. There's no WordPress admin to brute-force, no SQL database to inject into.

Scalability

CDNs handle traffic at scale by design. Whether you get 100 visitors or 100,000, the infrastructure responds the same way. There's no server to overwhelm.

Developer experience

Modern Jamstack tooling is genuinely pleasant to work with. Hot reloading, component-based development, Git-based workflows, and automated deployments keep teams moving.

Cost

Hosting static files on a CDN is cheap. Plenty of sites run for free or near-free on Cloudflare Pages, Netlify, or Vercel, which keeps hosting costs predictable in AUD.

When Jamstack makes sense

  • Content-driven websites (marketing sites, blogs, portfolios)
  • eCommerce storefronts (with a headless commerce backend)
  • Documentation sites
  • Landing pages and microsites
  • Corporate websites

When to consider alternatives

  • Real-time applications (chat, live dashboards)
  • Very large sites with millions of pages where build times become painful
  • Applications that need complex server-side logic on every request

Our Jamstack experience

At CodeDrips, Jamstack is a core part of our stack. We build mainly with Gatsby and Next.js, paired with headless CMS platforms like Sanity and Contentful. The combination gives our clients quick, secure sites with content management workflows that editors actually enjoy using.

Filed under: Technology. Last edited 16 January 2025. Send corrections.
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