W
WhatStack
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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.

SEO

180 seo technologies detected by WhatStack. Part of Advertising & Marketing.

  • Schema.org
  • Google Search Console
  • Yoast SEO
  • Bing Webmaster
  • Rank Math
  • All in One SEO
  • Ahrefs Site Audit
  • Ahrefs
  • Table of Contents Plus
  • SmartCrawl
  • WP Recipe Maker
  • ACF Content Analysis for Yoast SEO
  • AI for SEO – Bulk Generate Focus Keyphrases, Metadata, Alt
  • AI-Ready & LLM-Optimized WordPress Robots.txt (+ Sitemaps)
  • AIKTP
  • AMP for WP – Accelerated Mobile Pages
  • Auto Alt Text
  • Automatic Post Tagger
  • Bing URL Submissions Plugin
  • BoldGrid Easy SEO
  • BrightEdge
  • Broken Link Checker by AIOSEO
  • Bulk Auto Image Alt Text (Alt tag, Alt attribute)
  • Bulk Page Generator – LPagery
  • Bulk Page Generator and Mass Page Builder
  • Bulk Post Update Date
  • CallRail Phone Call Tracking
  • Canonical Link
  • CHL-Change HTML Lang
  • Clearscope
  • Clicksign
  • Clinked
  • Companion Sitemap Generator – HTML & XML
  • Conductor
  • CrawlWP SEO
  • Create
  • Customization for WP SEO
  • Data8
  • Disable WP Sitemaps
  • DSpace
  • Dynamic Month & Year into Posts
  • Events Tracker for Elementor
  • Evernote
  • FAQ Schema For Pages And Posts
  • Five Star Business Profile and Schema
  • FV Simpler SEO
  • Head Meta Data
  • HeadSpace2 SEO
  • Helper Lite for PageSpeed
  • Heroic Table of Contents
  • Hierarchical HTML Sitemap
  • hpb seo plugin for WordPress
  • Hreflang Manager
  • HSTS Ready
  • HTML Page Sitemap
  • Image Optimization For SEO
  • IndexNow Plugin
  • Insights from Google PageSpeed
  • Interlinks Manager – Internal Links Optimizer
  • Internal Link Juicer: SEO Auto Linker for WordPress
  • Internal Links Manager
  • Invenio
  • JCH Optimize
  • JSM Force HTTP to HTTPS / SSL
  • Koha
  • Kraken.io Image Optimizer
  • Kwayy HTML Sitemap
  • Link Checker Professional
  • Link Juice Keeper
  • Link Whisper Free
  • LinkBoss – Semantic AI Internal Linking
  • Lite Video Embed
  • LLMs.txt and LLMs-Full.txt Generator
  • Local Business Schema (JSON-LD) Lite
  • LuckyWP Table of Contents
  • Mangools
  • MarketMuse
  • Media File Renamer: Rename for better SEO (AI-Powered)
  • Media Library Helper
  • Meta Tag Manager
  • Metatag
  • Moz
  • No External Links
  • Nofollow for external link
  • noindex SEO
  • Onehub
  • Open Journal Systems
  • Page-list
  • Paperless Pipeline
  • Pathauto
  • Permalink Manager for WooCommerce
  • Product Categories/Tags Bottom Description for WooCommerce
  • ProductDyno
  • QuickWebP – Compress / Optimize Images & Convert WebP |
  • Rank Math SEO
  • Raven Tools
  • Read More Without Refresh
  • Recipe Card Blocks Lite
  • ReCrawler
  • Redirect 404 to Homepage
  • Remove Yoast SEO Comments
  • Rename Media Files: Improve Your WordPress SEO
  • Review Schema
  • Reviews and Rating – Google Reviews
  • Robots.txt Editor
  • Schema
  • Schema & Structured Data for WP & AMP
  • Schema App Structured Data
  • Schema.org Metatag
  • Screaming Frog
  • SE Ranking
  • Search Engine Insights for Google Search Console
  • SEMrush
  • Semrush Content Toolkit
  • Semrush SEO Writing Assistant
  • SEO Data Transporter
  • SEO Friendly Images
  • SEO Manager by Venntov
  • Seo Optimized Images
  • SEO Plugin
  • SEO SIMPLE PACK
  • SEO Ultimate
  • seoClarity
  • SEOPress
  • SEOPress – On-site SEO & Analytics
  • Serpstat
  • Simple Google Sitemap XML
  • Simple Page Redirect
  • Simple SEO
  • Simple Site Map Page
  • Simple Sitemap – Create a Responsive HTML Sitemap
  • Simple XML Sitemap
  • Simple XML Sitemap Generator
  • Sitemap
  • Sitemap Generator Professional
  • SiteSEO – SEO Simplified
  • Slim SEO
  • Smart Auto Upload Images – Import External Images
  • Smart SEO Tool – SEO优化插件
  • SmartCrawl SEO checker, analyzer & optimizer
  • Spider Blocker
  • Staatic – Static Site Generator
  • Surbma | Yoast SEO Sitemap to robots.txt
  • SureRank SEO
  • Surfer – WordPress Plugin
  • Surfer SEO
  • Table Of Contents Block
  • TextBulker (IA Redaction)
  • The SEO Framework – Fast, Automated, Effortless.
  • TOP Table Of Contents
  • Track The Click
  • Turn Rank Math FAQ Block to Accordion
  • Turn Yoast SEO FAQ Block to Accordion
  • Typeflo
  • Ubersuggest
  • uKnowva
  • Ultimate Noindex Nofollow Tool II
  • VK All in One Expansion Unit
  • VS Meta Description
  • Website LLMs.txt
  • Wincher Rank Tracker
  • WP 404 Auto Redirect to Similar Post
  • WP All Import – Import SEO Settings for Yoast SEO
  • WP Post Redirect
  • WP Realtime Sitemap
  • WP Robots Txt
  • WP SEO HTML Sitemap
  • WP SEO Structured Data Schema
  • WP Simple HTML Sitemap
  • WP Sitemap Page
  • WP Spell Check
  • WPGraphQL Yoast SEO Addon
  • Wppao Sitemap
  • WPSSO Core
  • Xagio SEO
  • XML Sitemap & Google News
  • XML Sitemap Generator for Google
  • YARPP – Yet Another Related Posts Plugin
  • Zhanzhangb Indexing Submission for Baidu
  • 多合一搜索自动推送管理插件-支持Baidu/Google/Bing/IndexNow/Yandex/头条