Alternatives to HackerTarget WhatWeb Scan
An online scan that runs WhatWeb and Wappalyzer to fingerprint the technologies behind a website. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
HackerTarget WhatWeb Scan
An online scan that runs WhatWeb and Wappalyzer to fingerprint the technologies behind a website.
Replacements
Listings that take over the same core job as HackerTarget WhatWeb Scan.
BuiltWith
A web tool that detects the technologies a website is built with.
BuiltWith identifies CMS, analytics, CDN and hosting with free single-site lookups and technology trend data, while detailed reports and bulk data require paid plans.
W3Techs Site Info
A free web lookup that shows the CMS, programming language, web server and host a site uses.
W3Techs Site Info is free and shows CMS, language, web server and host, with browser extensions and a bookmarklet for the current page plus an API.
WhatCMS
A web tool that detects which CMS and other technologies power a given website.
WhatCMS detects about 1,540 technologies including CMS, framework, hosting and CDN for free, with batch detection and a documented API.
Netcraft Site Report
A free web lookup that shows the hosting, server software and technologies behind any website.
Netcraft Site Report adds hosting history, certificate details and a risk rating to server and technology details, and is subject to a fair use policy.
Cloudflare Radar URL Scanner
Free Cloudflare web tool that scans a URL and reports its technologies, security and performance details.
Cloudflare Radar URL Scanner is free and reports security and performance details alongside technologies, checking one public URL at a time.
Also worth comparing
These listings name HackerTarget WhatWeb Scan as their own alternative, so the relationship runs both ways.
Pentest-Tools.com
An online toolkit of vulnerability scanners and penetration testing tools that produces customizable reports.
HackerTarget WhatWeb Scan belongs to a freemium set of online scanning tools, focused on fingerprinting rather than exploit-validated vulnerability reports.
WhatWeb
Command-line web scanner that fingerprints the technologies running on a website.
HackerTarget WhatWeb Scan runs WhatWeb and Wappalyzer from the browser with no local install, but is a closed hosted service with heavier use on paid plans.
WordPress Theme Detector
A free online tool that identifies the WordPress theme and plugins a website is using.
HackerTarget WhatWeb Scan fingerprints applications and web servers with WhatWeb and Wappalyzer, intended for authorized testing, with heavier use behind paid plans.
Similar software
Related functionality, not a direct replacement.
WPSec
An online scanner that checks WordPress sites for known vulnerabilities in core, plugins and themes.
ViewDNS.info
A web collection of more than 20 DNS, IP and domain lookup tools, with a paid API.
Qualys Community Edition
Free, cloud-based edition of the Qualys security platform for asset discovery and vulnerability assessment.
Sucuri SiteCheck
Free remote scanner that checks a website for visible malware, blocklisting and outdated software.
urlscan.io
Sandbox for the web that loads a URL and records screenshots, requests and indicators.
