Gatsby vs Jekyll

Last reviewed Aug 26, 2026 · 734 words

The honest difference in 2026 is momentum, not features. Gatsby was acquired by Netlify in early 2023 and its release cadence fell off a cliff afterwards; Jekyll is 18 years old, moves slowly on purpose, and never stopped. Both are MIT static site generators that produce a folder of HTML. But one of them is a React application framework that happens to emit static files, and the other is a Markdown-to-HTML converter that happens to know what a blog post is. That gap decides almost every real case.

Gatsby is a React app first, a site generator second

gatsby build runs your React components through a GraphQL data layer, pre-renders every page to HTML, then ships React to the browser anyway so it can hydrate and turn the site into a single-page app after load. That design is why Gatsby pages felt fast in 2019 benchmarks and why they also carry a JavaScript bundle a plain blog does not need. It is also why the catalogue lists 1,024 MB as the minimum build RAM: the data layer, image processing, and webpack all run at once, and a few hundred posts with images will happily eat several gigabytes during a build. Source plugins pull content from WordPress, Contentful, a headless CMS, or a folder of Markdown into one GraphQL schema, and if you already write React, page templates are just components. The 55,942 stars reflect that 2018-2021 popularity more than current activity.

Jekyll is a converter, and that is the point

Jekyll reads _posts/2026-08-26-title.md, applies a Liquid layout, and writes _site/. The output is exactly the HTML you wrote, which is why its minimum RAM is 256 MB and why a Raspberry Pi can rebuild a 500-post site in under a minute. Blog conventions are built in: dated posts, categories, tags, drafts, pagination, RSS via a one-line plugin. The cost is Ruby. You need a working bundler and a Gemfile, and on macOS the system Ruby is a trap that every Jekyll newcomer falls into once. Builds also get slow past a couple of thousand pages because the whole site regenerates on every change, though --incremental softens that for daily writing.

GitHub Pages tilts the table

GitHub Pages will build a Jekyll site from a pushed repo with no CI configuration at all, using a pinned Jekyll 3.x and a whitelisted plugin set. For a personal blog that is the entire deployment story: push, wait 60 seconds, done. Gatsby needs a Node build somewhere, either a GitHub Actions workflow you write, Netlify, or your own runner. It is one more thing that can rot, and for a site you touch twice a year, rot is the main risk. If you do want a Node-based generator with Jekyll's simplicity and a project that is actively shipping, Astro is the modern answer; the Astro vs Jekyll piece covers that matchup and Hugo vs Jekyll covers the Go option.

What the slowdown actually means for you

Gatsby 5 still builds on current Node, the plugin registry is still up, and plenty of sites run on it untouched. What you lose is the expectation that a breaking change in React, webpack, or a source plugin gets patched promptly, and that the community will answer your question this month. For a company site with a React team and a headless CMS contract, that is manageable. For a hobbyist blog it is the wrong bet. Jekyll's core blog needs (posts, feeds, SEO tags, sitemap) are covered by plugins the Jekyll team itself maintains.

Decision table

What I'd do

New blog in 2026: Jekyll if I wanted the least possible tooling and GitHub Pages hosting, Astro if I wanted a Node toolchain. I would not start a new Gatsby site. Existing Gatsby site that builds cleanly: leave it alone, pin your Node version, and plan a migration only when a dependency finally breaks. The blogging category page lists the wider field if neither fits.