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WhatStack
LookupSitesTechnologiesPricing
W
WhatStack

Detect the full technology stack of any website. Identify CMS platforms, JavaScript frameworks, analytics tools, ad tech, hosting providers, and 8,000+ web technologies.

Free API access included. Built for developers, agencies, and sales teams doing lead generation and competitive research.

Product

  • Technology Lookup
  • Technology Directory
  • Website Directory
  • Pricing & Plans
  • API Documentation
  • Browser Extension
  • Blog
  • Dashboard
  • Contribute

Categories

  • CMS & Site Builders
  • Ecommerce & Payments
  • JavaScript Frameworks
  • Analytics & Tracking
  • Advertising & Marketing
  • Infrastructure & Hosting
  • Security & Privacy

Popular Technologies

  • WordPress
  • Shopify
  • React
  • Next.js
  • Google Analytics
  • Cloudflare
  • WooCommerce

Compare

  • vs BuiltWith
  • vs Wappalyzer
  • vs WhatCMS

Account

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What is WhatStack?

WhatStack is a technology detection and website profiling platform. Discover what CMS, frameworks, analytics, ad tech, payment processors, and hosting providers any website uses. Our detection engine analyzes HTTP headers, HTML patterns, JavaScript globals, DNS records, cookies, and ads.txt to identify 8,000+ web technologies with high accuracy.

Use Cases

Lead generation for agencies and SaaS companies. Competitive analysis and market research. Technology adoption tracking across industries. Sales prospecting based on technology stack. Website auditing and technology profiling for consulting.

© 2026 WhatStack. All rights reserved.

Detecting 8,000+ web technologies across CMS, ecommerce, analytics, advertising, and more.

Web server

102 web server technologies detected by WhatStack. Part of Infrastructure & Hosting.

  • Nginx
  • Apache HTTP Server
  • Apache
  • LiteSpeed
  • IIS
  • OpenResty
  • Caddy
  • Tengine
  • Google Web Server
  • Kestrel
  • Angie
  • Passenger
  • Phusion Passenger
  • OpenGSE
  • actionhero.js
  • Akka HTTP
  • Amber
  • AOLserver
  • Apache APISIX
  • Apache Tomcat
  • Apache Traffic Server
  • Artifactory Web Server
  • Blade
  • CactiveCloud
  • Centminmod
  • Cherokee
  • CouchDB
  • Cowboy
  • Daphne
  • Deno
  • ELOG HTTP
  • EmbedThis Appweb
  • EZproxy
  • Ferron
  • FrankenPHP
  • Fresh
  • GlassFish
  • GoAhead
  • gunicorn
  • H2O
  • HCL Domino
  • HHVM
  • Hiawatha
  • HP Compact Server
  • HP iLO
  • Hypercorn
  • IBM HTTP Server
  • Indy
  • Intel Active Management Technology
  • JBoss Application Server
  • JBoss Web
  • Jetty
  • Kangle
  • Kemal
  • libwww-perl-daemon
  • Lighttpd
  • LiteSpeed Enterprise
  • LlamaLink Cloud Server
  • Microsoft HTTPAPI
  • mini_httpd
  • MiniServ
  • MochiWeb
  • Mongrel
  • Monkey HTTP Server
  • Next.js App Router
  • Next.js Page Router SSR
  • nghttpx - HTTP/2 proxy
  • Nginx Plus
  • OpenBSD httpd
  • OpenLiteSpeed
  • Oracle Application Server
  • Oracle HTTP Server
  • Oracle WebLogic Server
  • Puma
  • Resin
  • RoadRunner
  • RX Web Server
  • SimpleHTTP
  • Snap
  • Starlet
  • Swoole
  • Thin
  • thttpd
  • TornadoServer
  • TwistedWeb
  • Undertow
  • Unicorn
  • Uvicorn
  • uWSGI
  • Waitress
  • WebLogic
  • Weblogic Server
  • WEBrick
  • WebSphere
  • Werkzeug
  • WildFly
  • Winstone Servlet Container
  • XAMPP
  • Xitami
  • Yaws
  • Zend
  • Zope