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

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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.

SSP / Ad exchange

100 ssp / ad exchange technologies detected by WhatStack. Part of Advertising & Marketing.

  • Google Ad Manager
  • Rubicon Project
  • Magnite
  • PubMatic
  • Xandr
  • AppNexus
  • OpenX
  • Index Exchange
  • Smart AdServer
  • Sovrn
  • Sharethrough
  • TripleLift
  • Triplelift Native
  • Media.net
  • Amazon Publisher Services
  • Smaato
  • 33Across
  • Conversant
  • YieldMo
  • RhythmOne
  • EMX Digital
  • Sonobi
  • Verve Group
  • District M
  • Improve Digital
  • Contextweb
  • Kargo
  • The Media Grid
  • SmartyAds
  • AMX RTB
  • FreeWheel
  • Adman Media
  • Advertising.com
  • Beachfront
  • E Planning
  • Rise Codes
  • Tremor Video (Unruly)
  • Rich Audience
  • Blis
  • 152 Media
  • Adagio
  • Zeta Global DSP
  • Minute Media
  • Telaria
  • Ad Generation
  • Adtech
  • Insticator
  • Adingo
  • Aol
  • Nobid
  • Trusted Stack
  • Fyber
  • Vi
  • Spot.IM
  • Adipolo
  • Iqzone
  • Blockthrough
  • ShowHeroes
  • Copper6
  • AdsWizz
  • Mediafuse
  • The Ozone Project
  • Triton Digital
  • TrustX
  • Penske Media (PMC)
  • Cadent SSP
  • Prebid.js
  • Targetspot
  • Tappx
  • AdPushup
  • LiveIntent
  • Amazon TAM
  • Setupad
  • Impact Ad
  • Kevel
  • Nsightvideo
  • Freestar
  • Condenast
  • Mobkoi
  • Marfeel
  • BidSwitch
  • Bleckmann
  • Bobgo
  • Descartes
  • Digital Turbine
  • Enviopack
  • Extend
  • Lgads
  • Malomo
  • MapMyChannel
  • MoPub
  • Orka Media
  • Planzer
  • SHE Media
  • Shoprunner
  • Theglobeandmail
  • Underdog Media
  • Verizon Media
  • Xander Media
  • Yieldbot