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.

Security

200 security technologies detected by WhatStack. Part of Security & Privacy.

  • HSTS
  • Cloudflare WAF
  • Cloudflare Bot Management
  • reCAPTCHA
  • Cloudflare DDoS Protection
  • reCAPTCHA Enterprise
  • hCaptcha
  • Akamai Kona Site Defender
  • Cloudflare Turnstile
  • DDoS-Guard
  • Imperva
  • Imperva WAF
  • Incapsula
  • Azure DDoS Protection
  • Sucuri
  • Sucuri Firewall
  • Sucuri SiteCheck
  • Fastly Next-Gen WAF
  • AWS WAF
  • Spam protection, Honeypot, Anti-Spam
  • WP Armour – Honeypot Anti Spam
  • Akamai Bot Manager
  • DataDome
  • Detectify
  • Amazon Cognito
  • Stop User Enumeration
  • Accertify
  • Activity Log – Monitor & Record User Changes
  • adCAPTCHA
  • Admin Menu Editor
  • Advanced Access Manager
  • Advanced Google reCAPTCHA
  • Akamai Web Application Protector
  • Alibaba Cloud Verification Code
  • All In One WP Security
  • All-In-One Security (AIOS) – Security and Firewall
  • Altcha
  • ALTCHA Spam Protection
  • Anti-Malware Security and Brute-Force Firewall
  • Anti-spam, Spam protection, ReCaptcha for all forms and
  • Antibot
  • AntiBot.Cloud
  • Antispam Bee
  • AntiSpam for Contact Form 7
  • AntiVirus
  • Arbor Networks
  • ARCaptcha
  • Arkose Labs
  • Auth0
  • AWS Shield
  • AWS WAF Captcha
  • Azure AD B2C
  • Barracuda WAF
  • Basic
  • BBQ Firewall
  • Blackhole for Bad Bots
  • Block List Updater
  • Blue Triangle
  • Booter – Bots & Crawlers Manager
  • Brozzme DB Prefix & Tools Addons
  • Bugcrowd
  • BulletProof Security
  • Business Essentials for Contact Form 7
  • BuySafe
  • c/side
  • Captch Me
  • Captcha
  • CAPTCHA 4WP
  • Captcha Code
  • Captcha Them All
  • CF7 Apps – Honeypot, Database, Redirection, Webhook, and
  • Cisco Umbrella
  • CleanTalk
  • Clear
  • Clerk
  • ClickCease
  • ClickReport
  • Cloud Guard
  • Cloudflare Access
  • CloudSecure WP Security
  • CoinHive Captcha
  • Combahton FlowShield
  • Comment Link Remove and Other Comment Tools
  • Comodo WAF
  • Consentmo GDPR Compliance
  • Contact Form 7 Captcha
  • Content Security Policy Manager
  • Cookies for Comments
  • Covery
  • CrowdSec
  • CrowdStrike Falcon
  • CryptX
  • Dataships
  • Defender Security
  • DefendWP Firewall
  • Delete Pending Comments
  • Descope
  • Digest
  • Disable Recaptcha – CF7
  • Drata
  • DS CF7 Math Captcha
  • Duo Two-Factor Authentication
  • Duo Universal
  • DutchIS
  • Email Address Encoder
  • Email Encoder
  • Expire User Passwords
  • Exploit Scanner
  • F5 BIG-IP
  • F5 NGINX App Protect
  • Firebase Auth
  • FOCUS WebWall
  • ForgeRock
  • Forget Spam Comment
  • Forter
  • Fortinet FortiGate
  • FortiWeb
  • Fraud Blocker
  • FraudLabs Pro
  • Friendly Captcha
  • FUGU
  • FunCaptcha
  • FusionAuth
  • G-Forms hCaptcha
  • GeeTest
  • Gluu
  • Google Authenticator
  • Gravity Forms No CAPTCHA reCAPTCHA
  • Gravity Forms Zero Spam
  • Hanko
  • hCaptcha for WP
  • Honeypot
  • Honeypot Anti-Spam
  • HSTS Ready
  • HTTP Auth
  • Human Presence
  • Image CAPTCHA for Contact Form 7 and WPForms by
  • Imunify360
  • Inactive Logout
  • IP Ban
  • IP Geo Block
  • iThemes Security
  • Jetpack Protect
  • Jetpack VaultPress
  • Jumio
  • Kama SpamBlock
  • Kasada
  • Kerberos
  • Keybase
  • Keycloak
  • Konduto
  • Kount
  • La Sentinelle antispam
  • Limit Attempts by BestWebSoft
  • Limit Login Attempts
  • Limit Login Attempts Reloaded
  • Lock Down Admin
  • Lockdown WP Admin
  • Log cleaner for Solid Security
  • Login Lockdown & Protection
  • Login No Captcha reCAPTCHA
  • Login Security Captcha
  • Login Security, FireWall, Malware removal
  • Login With Ajax
  • Loginizer
  • LoginRadius
  • LWS Hide Login
  • LWS Tools
  • MainWP Child
  • MalCare
  • MalCare WordPress Security Plugin
  • Malcure Malware Shield — Removal, Repair, Monitor
  • Manage XML-RPC
  • ManageWP Worker
  • Maspik
  • Math Captcha for Elementor Forms
  • Melapress File Monitor
  • Melapress Login Security
  • Meta Generator and Version Info Remover
  • MilesWeb Tools
  • ModSecurity
  • Modular DS: Monitor, update, and backup multiple websites
  • Mollom
  • MTCaptcha
  • My Private Site
  • Negate
  • Nexter Extension – Site Enhancements Toolkit
  • NexusPIPE
  • NinjaFirewall (WP Edition)
  • NinjaScanner – Virus & Malware scan
  • No CAPTCHA reCAPTCHA
  • NoFraud
  • Norton Shopping Guarantee
  • NTLM
  • Okta
  • OneLogin
  • Onfido
  • OOPSpam Anti-Spam: Spam Protection for WordPress Forms &
  • OpenID Connect Generic Client
  • Password Strength Settings for WooCommerce