W
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

  • Sign in
  • Create account

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.

WhatStack Technology Directory

WhatStack can detect 60 technologies across 10 categories.

Categories

  • Advertising & Marketing: 20 technologies
  • Infrastructure & Hosting: 10 technologies
  • JavaScript & Frameworks: 8 technologies
  • Analytics & Tracking: 6 technologies
  • Other: 5 technologies
  • Security & Privacy: 5 technologies
  • Media & Content: 4 technologies
  • Development Tools: 3 technologies
  • Databases & Storage: 1 technologies
  • CMS & Site Builders: 1 technologies

All Technologies

  • Open Graph (Miscellaneous) — Other
  • Cloudflare (CDN, Reverse proxy) — Infrastructure & Hosting
  • HTTP/3 (Miscellaneous) — Other
  • PHP (Programming language) — Development Tools
  • HSTS (Security) — Security & Privacy
  • Schema.org (SEO) — Advertising & Marketing
  • Google Analytics (Analytics, Web analytics) — Analytics & Tracking
  • jQuery (JavaScript library) — JavaScript & Frameworks
  • Google Analytics 4 (Analytics, Web analytics) — Analytics & Tracking
  • Google Tag Manager (Tag manager) — Analytics & Tracking
  • Google Font API (Font script) — Media & Content
  • Font Awesome (Font script) — Media & Content
  • MySQL (Database) — Databases & Storage
  • WordPress (CMS, Blog) — CMS & Site Builders
  • PWA (Miscellaneous) — Other
  • Priority Hints (Performance) — Development Tools
  • Nginx (Web server, Reverse proxy) — Infrastructure & Hosting
  • Google Search Console (SEO) — Advertising & Marketing
  • Bootstrap (UI framework) — JavaScript & Frameworks
  • Cloudflare WAF (Security) — Security & Privacy
  • Google AdSense (Advertising) — Advertising & Marketing
  • Google Ad Manager (SSP / Ad exchange, Ad server) — Advertising & Marketing
  • Modernizr (JavaScript library) — JavaScript & Frameworks
  • Fastly (CDN) — Infrastructure & Hosting
  • React (JavaScript framework) — JavaScript & Frameworks
  • jQuery Migrate (JavaScript library) — JavaScript & Frameworks
  • Apache HTTP Server (Web server) — Infrastructure & Hosting
  • Apache (Web server) — Infrastructure & Hosting
  • cdnjs (CDN) — Infrastructure & Hosting
  • Yoast SEO (SEO) — Advertising & Marketing
  • Swiper (JavaScript library) — JavaScript & Frameworks
  • Google Workspace (Webmail, Browser fingerprinting) — Other
  • Twitter Emoji (Twemoji) (Font script) — Media & Content
  • Amazon Web Services (PaaS) — Infrastructure & Hosting
  • jsDelivr (CDN) — Infrastructure & Hosting
  • Cloudflare Bot Management (Security) — Security & Privacy
  • OWL Carousel (JavaScript library) — JavaScript & Frameworks
  • reCAPTCHA (Security) — Security & Privacy
  • Node.js (Programming language) — Development Tools
  • Cloudflare Browser Insights (Analytics, RUM) — Analytics & Tracking
  • Rubicon Project (SSP / Ad exchange) — Advertising & Marketing
  • Magnite (SSP / Ad exchange) — Advertising & Marketing
  • PubMatic (SSP / Ad exchange) — Advertising & Marketing
  • Xandr (SSP / Ad exchange, Advertising) — Advertising & Marketing
  • Google (PaaS) — Infrastructure & Hosting
  • AppNexus (SSP / Ad exchange) — Advertising & Marketing
  • OpenX (SSP / Ad exchange) — Advertising & Marketing
  • Index Exchange (SSP / Ad exchange) — Advertising & Marketing
  • Facebook Pixel (Advertising, Retargeting) — Advertising & Marketing
  • Smart AdServer (Ad server, SSP / Ad exchange) — Advertising & Marketing
  • Slick (JavaScript library) — JavaScript & Frameworks
  • Google Ads (Advertising) — Advertising & Marketing
  • Sovrn (SSP / Ad exchange, Advertising) — Advertising & Marketing
  • Cloudflare DDoS Protection (Security) — Security & Privacy
  • Unruly (Advertising, Video player) — Advertising & Marketing
  • Microsoft 365 (Webmail, Browser fingerprinting) — Other
  • Sharethrough (Native advertising, SSP / Ad exchange) — Advertising & Marketing
  • Amazon Route 53 (PaaS) — Infrastructure & Hosting
  • TripleLift (SSP / Ad exchange) — Advertising & Marketing
  • Triplelift Native (Native advertising, SSP / Ad exchange) — Advertising & Marketing