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.

Retargeting

64 retargeting technologies detected by WhatStack. Part of Advertising & Marketing.

  • Facebook Pixel
  • Adform
  • Criteo
  • RTB House
  • LinkedIn Insight Tag
  • Microsoft Advertising
  • AccessiBe
  • Pinterest Tag
  • Wunderkind
  • AdRoll
  • The Trade Desk
  • Reddit Pixel
  • Moxie
  • Pojo.me
  • Snapchat Pixel
  • Accessibility Toolbar Plugin
  • Accessible360
  • Accessibly
  • Adally
  • AdaSiteCompliance
  • All in One Accessibility
  • Allyable
  • Allyant
  • Clickagy
  • Cross Pixel
  • Drawbridge
  • Droxit
  • Enable
  • eSSENTIAL Accessibility
  • Facil-iti
  • Fixel
  • Handtalk
  • HikeOrders
  • Intent IQ
  • Level Access
  • Magixite
  • Magnetic
  • Make-Sense
  • Marshal
  • MNTN
  • Nagich
  • NagishLi
  • NextRoll
  • Perfect Audience
  • Piman
  • Poloda AI
  • Quora Pixel
  • Recite Me
  • Retargeting.biz
  • Retargetly
  • Silktide
  • Simpli.fi
  • Smarter Reach
  • SmarterHQ
  • Sociomantic
  • StackAdapt
  • Tapad
  • Texthelp
  • Twitter/X Pixel
  • uRemediate
  • UsableNet
  • User Accessibility
  • Viant
  • Voice Intuitive