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HackerTarget WhatWeb Scan vs BuiltWith: catalog facts
HackerTarget WhatWeb Scan	BuiltWith
Freemium Free analysis reports are offered, with paid plans for more scanning.	Freemium Free single-site lookups with paid plans for reports and bulk data.
Web	Web, Browser extension
Runs WhatWeb and Wappalyzer without a local install Detects applications, web servers and other technologies	Identifies CMS, analytics, CDN and hosting from a single domain Free lookups for individual sites
Intended for authorized testing of sites you own or may assess Heavier use sits behind paid plans	Detailed reports and bulk data require paid plans Detection is inference-based and can miss or misreport technologies
Web application	Hosted service, 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 23, 2026

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