Node.js is the JavaScript runtime used on servers for APIs and server-rendered sites. Detection relies on X-Powered-By values of Node frameworks and on a detected Express or NestJS application.
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Detected Sites
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Detect Node.js on any website:
Detected Websites
Real sites found by our scanner using Node.js
Related Technologies
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Frequently Asked Questions
What is Node.js?
Node.js is the JavaScript runtime used on servers for APIs and server-rendered sites. Detection relies on X-Powered-By values of Node frameworks and on a detected Express or NestJS application.
How do you detect Node.js on a website?
Our scanner analyzes multiple technical signals including HTTP response headers: x-powered-by containing "(Express|Koa|Hapi|Fastify|Node.js)"; server containing "node(.js)?" (high-confidence tier) and Signal weights for Node.js: 85 points per high-tier match, 55 per medium, 25 per low — a site needs 60+ points before Node.js is reported. to identify Node.js usage with high accuracy.
Which websites use Node.js?
Thousands of websites use Node.js across various industries. Our real-time scanner continuously discovers new Node.js deployments — use the search above to detect any website.
Is Node.js popular?
Node.js is a widely adopted Framework in the web infrastructure space. Our scanner detects it regularly across scanned domains.
How We Detect Node.js
- HTTP response headers: x-powered-by containing "(Express|Koa|Hapi|Fastify|Node.js)"; server containing "node(.js)?" (high-confidence tier)
- Signal weights for Node.js: 85 points per high-tier match, 55 per medium, 25 per low — a site needs 60+ points before Node.js is reported.