Cloudinary is a cloud-based media management platform that handles image and video upload, optimization, transformation, and delivery via URL parameters — widely used by e-commerce sites and content-heavy applications that need on-the-fly image resizing and format conversion without running their own media pipeline. Our engine detects Cloudinary through 2 HTML patterns and 1 CDN domain matching its distinctive `res.cloudinary.com` asset-delivery URL structure, which is one of the more unambiguous signals in our database since that URL pattern is unique to Cloudinary's infrastructure. Documented at cloudinary.com.
Detect Cloudinary Websites — Free Tool
Enter any URL to check if it was built with Cloudinary. Instant results, no account required.
How we detect Cloudinary — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Cloudinary Websites
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 cloudinary-specific patterns in the HTML.
3. Check CDN Domains
Network requests to these CDN domains indicate a Cloudinary site:
res\.cloudinary\.com4. 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 Cloudinary?
You can detect if any website was built with Cloudinary 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 Cloudinary was used — with a confidence score.
How to detect if a website was built with Cloudinary?
There are several ways to detect Cloudinary: (1) View the page source and look for Cloudinary-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Cloudinary CDN domains, (3) Use our free tool — we check 3 detection signals automatically.
What websites are built with Cloudinary?
Cloudinary is used by thousands of websites worldwide. Our scanner has detected many Cloudinary-built sites across different industries. You can scan any URL to check if it uses Cloudinary.
How accurate is the Cloudinary detection?
Our Cloudinary 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.
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Detection Info
- Category
- Storage
- Signals Used
- 3 patterns
- Accuracy
- High
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