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HackerTarget WhatWeb Scan vs WhatRuns: catalog facts
HackerTarget WhatWeb Scan	WhatRuns
Freemium Free analysis reports are offered, with paid plans for more scanning.	Free Free extension with no sign-up required.
Web	Browser extension
Runs WhatWeb and Wappalyzer without a local install Detects applications, web servers and other technologies	One-click technology detection Covers plugins, fonts, analytics and CDNs
Intended for authorized testing of sites you own or may assess Heavier use sits behind paid plans	Proprietary Only a Chrome version is mentioned
Web application	Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.