Netlify is the platform that popularized the Jamstack architecture — providing Git-connected continuous deployment, serverless functions, edge functions, form handling, and a global CDN for modern web applications. Founded in 2014, Netlify pioneered the idea of deploying entire websites from a Git push without managing servers, and its model has since been widely adopted by competitors. It's the deployment platform behind millions of Next.js, Gatsby, Nuxt, Hugo, and other framework-built sites. Sites hosted on Netlify are identifiable through the x-nf-request-id header present on all responses, server: Netlify in HTTP headers, and the *.netlify.app subdomain that remains accessible even when custom domains are configured. Netlify's serverless functions expose /.netlify/functions/ URL patterns. The Starter tier is free, with Pro plans at $19/month per member.
Detect Netlify Websites — Free Tool
Enter any URL to check if it was built with Netlify. Instant results, no account required.
How to Detect Netlify Websites
HTTP Headers
3 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for netlify-specific patterns in the HTML.
4. Use AI Website Detector (Easiest)
Our automated scanner checks all these signals at once and gives you an instant confidence score. Just enter any URL above.
Frequently Asked Questions
Is this website built with Netlify?
You can detect if any website was built with Netlify by using our free scanner above. Just enter the URL and we'll analyze HTML patterns, JavaScript files, CDN domains, and HTTP headers to determine if Netlify was used — with a confidence score.
How to detect if a website was built with Netlify?
There are several ways to detect Netlify: (1) View the page source and look for Netlify-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Netlify CDN domains, (3) Use our free tool — we check 3 detection signals automatically.
What websites are built with Netlify?
Netlify is used by thousands of websites worldwide. Our scanner has detected many Netlify-built sites across different industries. You can scan any URL to check if it uses Netlify.
How accurate is the Netlify detection?
Our Netlify detection engine checks 3 unique fingerprint signals, achieving high confidence results. We score each match and return a confidence percentage so you know how certain the detection is.
About Netlify
Netlify is a leading hosting used by thousands of businesses and developers worldwide. Our detection engine can identify Netlify-built websites with high confidence by analyzing multiple technical signals.
Whether you're a developer doing competitive research, a designer looking for inspiration, or just curious about how a website was built — AI Website Detector gives you instant, accurate detection.
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Detection Info
- Category
- hosting
- Signals Used
- 3 patterns
- Accuracy
- High
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