shadcn/ui is a UI Library that powers thousands of websites. Our detection engine uses multiple signals to identify shadcn/ui-built sites with high accuracy.
Detect shadcn/ui Websites — Free Tool
Enter any URL to check if it was built with shadcn/ui. Instant results, no account required.
How we detect shadcn/ui — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect shadcn/ui Websites
HTML Patterns
3 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for shadcn/ui-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 shadcn/ui?
You can detect if any website was built with shadcn/ui 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 shadcn/ui was used — with a confidence score.
How to detect if a website was built with shadcn/ui?
There are several ways to detect shadcn/ui: (1) View the page source and look for shadcn/ui-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to shadcn/ui CDN domains, (3) Use our free tool — we check 3 detection signals automatically.
What websites are built with shadcn/ui?
shadcn/ui is used by thousands of websites worldwide. Our scanner has detected many shadcn/ui-built sites across different industries. You can scan any URL to check if it uses shadcn/ui.
How accurate is the shadcn/ui detection?
Our shadcn/ui 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 shadcn/ui
shadcn/ui is a leading ui library used by thousands of businesses and developers worldwide. Our detection engine can identify shadcn/ui-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
- UI Library
- Signals Used
- 3 patterns
- Accuracy
- High
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