Sanity is a headless content management system built for developers and digital teams who need a flexible, structured content backend powering websites, apps, and omnichannel publishing workflows. AIWebsiteDetector.com identifies Sanity-powered sites using a combination of two distinct script patterns, two HTML patterns, and one CDN domain signature that Sanity injects into its front-end delivery layer. These signals — including characteristic markup attributes embedded in the document structure and JavaScript references tied to Sanity's content lake infrastructure — allow the detection engine to fingerprint Sanity deployments with high confidence across a wide range of site types, from editorial platforms to e-commerce storefronts. The CDN domain pattern is particularly reliable, as Sanity routes structured content assets through its own dedicated delivery network, leaving a consistent and identifiable network footprint. Sanity operates on a usage-based pricing model with a generous free tier, and because it is typically deployed headlessly, it often surfaces alongside frameworks like Next.js or Gatsby — making the combination of HTML and script signals essential for accurate attribution.
Detect Sanity Websites — Free Tool
Enter any URL to check if it was built with Sanity. Instant results, no account required.
How we detect Sanity — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Sanity Websites
Script Patterns
2 patterns
CDN Domains
1 patterns
HTML Patterns
2 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for sanity-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from Sanity domains.
3. Check CDN Domains
Network requests to these CDN domains indicate a Sanity site:
cdn\.sanity\.io4. 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 Sanity?
You can detect if any website was built with Sanity 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 Sanity was used — with a confidence score.
How to detect if a website was built with Sanity?
There are several ways to detect Sanity: (1) View the page source and look for Sanity-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Sanity CDN domains, (3) Use our free tool — we check 5 detection signals automatically.
What websites are built with Sanity?
Sanity is used by thousands of websites worldwide. Our scanner has detected many Sanity-built sites across different industries. You can scan any URL to check if it uses Sanity.
How accurate is the Sanity detection?
Our Sanity detection engine checks 5 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 Sanity
Sanity is a leading cms used by thousands of businesses and developers worldwide. Our detection engine can identify Sanity-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
- CMS
- Signals Used
- 5 patterns
- Accuracy
- High
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