21f.appTechnology stack — what it's built with

Technologies: 1
Categories: 1
Last scanned: 4 Sept 2025

How detection works

We read the site's headers, page source, scripts and DNS records and match them against known fingerprints. Results are automatic and may be incomplete.

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JavaScript libraries

jQuery

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21f.app Technologies – 1 detected | CubDomain

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21f.appTechnology stack — what it's built with

Technologies: 1
Categories: 1
Last scanned: 4 Sept 2025

CategoriesJavaScript libraries1

How detection works

We read the site's headers, page source, scripts and DNS records and match them against known fingerprints. Results are automatic and may be incomplete.

Own this domain? Correct it →

JavaScript libraries

jQuery