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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.

Infrastructure & Hosting

Web servers, CDNs, reverse proxies, load balancers, PaaS, IaaS, containers, and hosting providers.

200 technologies in this category.

Subcategories

  • WordPress plugin (137 technologies)
  • Cache tool (127 technologies)
  • Hosting (109 technologies)
  • CDN (109 technologies)
  • Web server (94 technologies)
  • PaaS (88 technologies)
  • Reverse proxy (29 technologies)
  • IaaS (26 technologies)
  • Operating system (20 technologies)
  • Web server extensions (14 technologies)
  • Hosting panels (7 technologies)
  • Subscription (5 technologies)
  • Load balancers (5 technologies)
  • Personalisation (5 technologies)
  • SEO (5 technologies)
  • Database (4 technologies)
  • Security (4 technologies)
  • Containers (3 technologies)
  • WordPress plugins (3 technologies)
  • Performance (2 technologies)
  • Remote access (2 technologies)
  • Page builder (1 technologies)
  • Affiliate (1 technologies)
  • Customer support (1 technologies)
  • Web framework (1 technologies)

All Infrastructure & Hosting Technologies

  • Cloudflare (CDN, Reverse proxy)
  • Nginx (Web server, Reverse proxy)
  • Fastly (CDN)
  • Apache HTTP Server (Web server)
  • Apache (Web server)
  • cdnjs (CDN)
  • Amazon Web Services (PaaS)
  • jsDelivr (CDN)
  • Google (PaaS)
  • Amazon Route 53 (PaaS)
  • Google Hosted Libraries (CDN)
  • Amazon CloudFront (CDN)
  • Windows Server (Operating system)
  • Varnish (Cache tool, Reverse proxy)
  • jQuery CDN (CDN)
  • GoDaddy (Hosting)
  • GoDaddy Hosting (Hosting)
  • LiteSpeed (Web server)
  • WP Rocket (Cache tool, WordPress plugin)
  • LiteSpeed Cache (Cache tool)
  • Unpkg (CDN)
  • Ubuntu (Operating system)
  • A2 Hosting (Hosting)
  • Google Cloud (PaaS)
  • IIS (Web server)
  • Akamai (CDN)
  • Google Cloud CDN (CDN)
  • Google Cloud Load Balancer (Reverse proxy)
  • WP Engine (Hosting)
  • Amazon S3 (PaaS)
  • Azure (PaaS)
  • Vercel (PaaS, CDN)
  • Vercel Edge Network (CDN)
  • WP Fastest Cache (Cache tool, WordPress plugin)
  • OpenResty (Web server)
  • AWS Elastic Load Balancer (Reverse proxy)
  • BootstrapCDN (CDN)
  • Amazon ALB (Load balancers)
  • W3 Total Cache (WordPress plugin, Cache tool)
  • Google Cloud DNS (CDN)
  • Microsoft Azure (PaaS)
  • Envoy (Reverse proxy)
  • Envoy Proxy (Reverse proxy)
  • Istio (Reverse proxy)
  • Autoptimize (WordPress plugin, Cache tool)
  • OpenSSL (Web server extensions)
  • DDoS-Guard (Security, CDN)
  • Redis (Database, Cache tool)
  • Redis Object Cache (Cache tool)
  • WP Super Cache (Cache tool, WordPress plugin)
  • WordPress Super Cache (Cache tool, WordPress plugins)
  • Namecheap (Hosting)
  • Bunny (CDN)
  • Debian (Operating system)
  • Firebase (Database, PaaS)
  • Imperva (Security, CDN)
  • Imperva CDN (CDN)
  • Incapsula (CDN, Security)
  • Akamai Ion (CDN)
  • Azure CDN (CDN)
  • Hostinger CDN (CDN)
  • Perfmatters (WordPress plugin, Cache tool)
  • NitroPack (Cache tool)
  • Azure Front Door (Load balancers)
  • Azure Load Balancer (Reverse proxy)
  • AWS Amplify (PaaS)
  • Azure DNS (CDN)
  • Kinsta CDN (CDN)
  • OVHcloud (PaaS, Hosting)
  • Kinsta (Hosting)
  • Pantheon (PaaS, Hosting)
  • Snowplow Analytics (Analytics, IaaS)
  • Cloudflare APO (CDN)
  • Netlify (PaaS, CDN)
  • Netlify Edge Functions (PaaS)
  • DreamHost (Hosting)
  • Google PageSpeed (Cache tool, Web server extensions, Performance)
  • CentOS (Operating system)
  • DigitalOcean (PaaS, Hosting)
  • Sucuri CDN (CDN)
  • Google App Engine (PaaS)
  • F5 BigIP (Reverse proxy)
  • NS1 (CDN)
  • Breeze (WordPress plugin, Cache tool)
  • GitHub Pages (PaaS)
  • IONOS (Hosting)
  • Platform.sh (PaaS)
  • Atlassian Statuspage (Issue trackers, PaaS)
  • Amazon ELB (Load balancers)
  • Bluehost (Hosting)
  • Caddy (Web server)
  • SiteGround (Hosting)
  • Firebase Hosting (Hosting, PaaS)
  • SG Optimizer (Cache tool, WordPress plugin)
  • Google Cloud Load Balancing (Load balancers)
  • Acquia Cloud Platform (PaaS)
  • Acquia (PaaS, Hosting)
  • Tengine (Web server)
  • Alibaba Cloud Object Storage Service (IaaS)
  • Drupal Multisite (Hosting)
  • WordPress.com (PaaS)
  • Weglot Translate (Hosting, Personalisation)
  • Heroku (PaaS)
  • Hummingbird (WordPress plugin, Cache tool)
  • UNIX (Operating system)
  • Google Web Server (Web server)
  • LazyLoad Plugin (Cache tool, WordPress plugin)
  • BunnyCDN (CDN)
  • Ally – Web Accessibility & Usability (IaaS, WordPress plugin)
  • ChinaNet CDN (CDN)
  • BunnyCDN Pull Zone (CDN)
  • Kestrel (Web server)
  • Amazon API Gateway (PaaS)
  • Microsoft Ajax Content Delivery Network (CDN)
  • UltraDNS (CDN)
  • Angie (Web server)
  • DNSimple (CDN)
  • Embed Plus for YouTube Gallery, Livestream and Lazy (Cache tool, WordPress plugin)
  • Speed Optimizer (Cache tool, WordPress plugin)
  • Passenger (Web server)
  • Phusion Passenger (Web server)
  • Alibaba Cloud CDN (CDN)
  • OpenGSE (Web server)
  • Staticfile CDN (CDN)
  • iPage (Hosting)
  • Endurance Page Cache (WordPress plugins, Cache tool)
  • 10Web Booster (Cache tool, WordPress plugin)
  • 34SP.com (Hosting)
  • 5centsCDN (CDN)
  • 8base (Database managers, PaaS)
  • A2 Optimized WP (Cache tool, WordPress plugin)
  • Accessibility (IaaS, WordPress plugin)
  • AccessibleWP – Accessibility Toolbar (IaaS, WordPress plugin)
  • Acquia Cloud Platform CDN (CDN)
  • Acquia Cloud Site Factory (Hosting)
  • actionhero.js (Web framework, Web server)
  • Advanced Database Cleaner (Cache tool, Database, WordPress plugin)
  • Advanced Responsive Video Embedder for Rumble, Odysee, (Cache tool, Subscription, WordPress plugin)
  • AEH Speed Optimization: Browser Cache, Optimized Minify, (Cache tool, WordPress plugin)
  • Agora (PaaS)
  • Airee (CDN, Hosting)
  • Ajax Load More (Cache tool, WordPress plugin)
  • Ajaxify Comments – Ajax and Lazy Load Comments (Cache tool, WordPress plugin)
  • Akamai Connected Cloud (PaaS)
  • Akamai Image Manager (CDN)
  • Akka HTTP (Web framework, Web server)
  • ALL-INKL (Hosting)
  • AlmaLinux (Operating system)
  • Alpine Linux (Operating system)
  • Alt Text AI (IaaS, WordPress plugin)
  • AlternC (Hosting panels)
  • Amazon EC2 (PaaS)
  • Amazon ECS (PaaS)
  • Amber (Web framework, Web server)
  • ANS (Hosting, PaaS)
  • AOLserver (Web server)
  • Apache APISIX (Web server)
  • Apache Tomcat (Web server)
  • Apache Traffic Server (Web server)
  • APCu Manager (Cache tool, WordPress plugin)
  • Apigee (PaaS)
  • Appian (PaaS)
  • Application Request Routing (Load balancers)
  • Aptible (PaaS)
  • Arc (CDN)
  • Artifactory Web Server (Web server)
  • Aruba HiSpeed Cache (Cache tool, WordPress plugin)
  • Aruba.it (Hosting, PaaS)
  • ArvanCloud (CDN)
  • ArvanCloud CDN (CDN)
  • Assets manager, dequeue scripts, dequeue styles for (Cache tool, WordPress plugin)
  • Async JavaScript (Cache tool, WordPress plugin)
  • Auto Alt Text (SEO, IaaS, WordPress plugin)
  • Auto Image Attributes From Filename With Bulk Updater (Add (IaaS, WordPress plugin)
  • Autoclear Autoptimize Cache (Cache tool, WordPress plugin)
  • AVIF & WebP converter | Media Replace (Cache tool, WordPress plugin)
  • Azion (CDN)
  • Baidu Cloud CDN (CDN)
  • Bask Health (PaaS)
  • Beluga CDN (CDN)
  • Bernet Cloud (PaaS)
  • BerqWP – Automated All-In-One Page Speed Optimization for (Cache tool, CDN, WordPress plugin)
  • Better Aria Label Support (IaaS, WordPress plugin)
  • Better WordPress Minify (Cache tool, WordPress plugin)
  • Betty Blocks (Static site generator, PaaS)
  • BigDataCloud IP Geolocation (Hosting)
  • BILLmanager (Hosting panels)
  • Blade (Web framework, Web server)
  • Boost Product Filter & Search (PaaS, Personalisation)
  • BootCDN (CDN)
  • Brimble (PaaS)
  • Bullseye (Hosting)
  • C3 Cloudfront Cache Controller (CDN, WordPress plugin)
  • Cache Enabler (WordPress plugin, Cache tool)
  • CacheFly (CDN)
  • Cachify (Cache tool, WordPress plugin)
  • CactiveCloud (Web server)
  • CapRover (PaaS)
  • CDN Enabler (CDN, WordPress plugin)
  • CDN77 (CDN)