Dub is an open-source link-shortening and analytics platform aimed at marketing teams and developers who want branded short links with click analytics, positioned as a modern, API-first alternative to Bitly. Our engine detects Dub integrations through 2 script patterns and 1 HTML pattern tied to its client-side link-tracking and analytics SDK. Dub can be self-hosted or used via its managed service; detection doesn't distinguish between the two. Documented at dub.co.
Detect Dub Websites — Free Tool
Enter any URL to check if it was built with Dub. Instant results, no account required.
How we detect Dub — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Dub Websites
Script Patterns
2 patterns
HTML Patterns
1 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for dub-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from Dub domains.
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 Dub?
You can detect if any website was built with Dub 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 Dub was used — with a confidence score.
How to detect if a website was built with Dub?
There are several ways to detect Dub: (1) View the page source and look for Dub-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Dub CDN domains, (3) Use our free tool — we check 3 detection signals automatically.
What websites are built with Dub?
Dub is used by thousands of websites worldwide. Our scanner has detected many Dub-built sites across different industries. You can scan any URL to check if it uses Dub.
How accurate is the Dub detection?
Our Dub 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.
Rate this Builder
No ratings yet — be the first!
Detection Info
- Category
- Analytics
- Signals Used
- 3 patterns
- Accuracy
- High
Similar Builders
User Reviews
No reviews yet. Be the first to review Dub.