Heroku Detector
Check any public website to see whether it uses Heroku.
Public signal scan
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Scan a website
Enter a URL and Stackcrawler will inspect public technology signals.
Websites using Heroku
Browse real website examples detected with Heroku.
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Compare related tools and identify the wider stack behind a website.
Browse detectorsWhat we check
Stackcrawler looks for public page markers, scripts, platform fingerprints, metadata, and other visible implementation clues.