Vercel is the cloud platform and deployment infrastructure behind Next.js — founded by Guillermo Rauch, the creator of Next.js — serving as the premier hosting platform for React, Next.js, and Jamstack applications globally. Vercel's edge network spans 100+ regions worldwide and powers some of the world's highest-traffic web applications, offering automatic scaling, preview deployments for every Git branch, and analytics. It's the deployment platform of choice for teams using Next.js, Remix, Astro, SvelteKit, and other modern frameworks. Sites hosted on Vercel are identifiable through x-vercel-id and x-vercel-cache HTTP response headers, server: Vercel, and *.vercel.app subdomains for preview and hobby deployments. The cf-ray header is absent on Vercel (distinguishing it from Cloudflare-hosted sites). Vercel Hobby plans are free, with Pro plans at $20/month per member.
Detect Vercel Websites — Free Tool
Enter any URL to check if it was built with Vercel. Instant results, no account required.
How to Detect Vercel Websites
HTTP Headers
2 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for vercel-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 Vercel?
You can detect if any website was built with Vercel 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 Vercel was used — with a confidence score.
How to detect if a website was built with Vercel?
There are several ways to detect Vercel: (1) View the page source and look for Vercel-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Vercel CDN domains, (3) Use our free tool — we check 2 detection signals automatically.
What websites are built with Vercel?
Vercel is used by thousands of websites worldwide. Our scanner has detected many Vercel-built sites across different industries. You can scan any URL to check if it uses Vercel.
How accurate is the Vercel detection?
Our Vercel detection engine checks 2 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 Vercel
Vercel is a leading hosting used by thousands of businesses and developers worldwide. Our detection engine can identify Vercel-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
- 2 patterns
- Accuracy
- High
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