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