Compare software

HackerTarget WhatWeb Scan vs W3Techs Site Info: catalog facts
HackerTarget WhatWeb Scan	W3Techs Site Info
Freemium Free analysis reports are offered, with paid plans for more scanning.	Free The website lookup, bookmarklet and extensions are free to use; a separate API is offered.
Web	Web, Browser extension
Runs WhatWeb and Wappalyzer without a local install Detects applications, web servers and other technologies	Identifies CMS, language, web server and hosting provider Bookmarklet and Firefox and Chrome extensions for the current page
Intended for authorized testing of sites you own or may assess Heavier use sits behind paid plans	Shows only what can be detected from outside the site Website carries advertising
Web application	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 23, 2026

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