What is SSR in NGINX using njs?

It's a lightweight setup where NGINX's njs module runs JavaScript to generate HTML strings on-the-fly during requests—no Node.js required.

Can I use NGINX njs SSR in production?

Yes, for small/static sites or simple rendering; the creator runs it on their personal site. Avoid for complex apps.

Install NGINX with njs support, clone https://github.com/kraftdorian/nginx-njs-ssr-starter, load the config, and restart.

🏗️ DevOps & Infrastructure

NGINX already serves 39% of the world's top million websites. Now imagine it rendering your SSR HTML on the fly, sans Node.js bloat.

theAIcatchup Apr 09, 2026 3 min read

SSR boils down to server-sent HTML—njs in NGINX nails the essence without Node.js overhead. 𝕏
Constraints like sync-only rendering boost predictability and debuggability. 𝕏
This infra-first approach blurs frontend/infra lines, hinting at edge SSR's future. 𝕏

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Community-driven. Code-first.

#NGINX #SSR #njs #server-side rendering

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Originally reported by Dev.to