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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  • vs Wappalyzer
  • vs WhatCMS

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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.

Cache tool

157 cache tool technologies detected by WhatStack. Part of Infrastructure & Hosting.

  • Varnish
  • WP Rocket
  • LiteSpeed Cache
  • WP Fastest Cache
  • W3 Total Cache
  • Autoptimize
  • Redis
  • Redis Object Cache
  • WP Super Cache
  • WordPress Super Cache
  • Perfmatters
  • NitroPack
  • Google PageSpeed
  • Breeze
  • SG Optimizer
  • Hummingbird
  • LazyLoad Plugin
  • Embed Plus for YouTube Gallery, Livestream and Lazy
  • Speed Optimizer
  • Endurance Page Cache
  • 10Web Booster
  • A2 Optimized WP
  • Advanced Database Cleaner
  • Advanced Responsive Video Embedder for Rumble, Odysee,
  • AEH Speed Optimization: Browser Cache, Optimized Minify,
  • Ajax Load More
  • Ajaxify Comments – Ajax and Lazy Load Comments
  • APCu Manager
  • Aruba HiSpeed Cache
  • Assets manager, dequeue scripts, dequeue styles for
  • Async JavaScript
  • Autoclear Autoptimize Cache
  • AVIF & WebP converter | Media Replace
  • BerqWP – Automated All-In-One Page Speed Optimization for
  • Better WordPress Minify
  • Cache Enabler
  • Cachify
  • Cimo
  • Clear All Cache for WP Super Cache
  • Clear Cache for Me
  • Clearfy Cache
  • Cloudinary – Deliver Images and Videos at Scale
  • CLP Varnish Cache
  • Code Profiler
  • DB Cache Reloaded Fix
  • Debloat – Remove Unused CSS, Optimize JS
  • DefendWP Firewall
  • Delete Duplicate Posts
  • Delete Expired Transients
  • Disable Lazy Load
  • Docket Cache – Object Cache Accelerator
  • Easy WP Cleaner
  • Embed Privacy
  • Ergonet Cache
  • ezCache
  • Far Future Expiry Header
  • FastPixel
  • FastPixel Cache
  • FlyWP Helper
  • Freesoul Deactivate Plugins
  • Fresh Forms for Gravity
  • GTmetrix for WordPress
  • Helper Lite for PageSpeed
  • Hosting Benchmark tool
  • Hummingbird Performance
  • Hyper Cache
  • Image Optimizer
  • Image Optimizer by 10web
  • Index WP MySQL For Speed
  • Insights from Google PageSpeed
  • Instant Back/Forward
  • JCH Optimize
  • Kraken.io Image Optimizer
  • Lazy Load
  • Lazy Load Control For Elementor
  • Lazy Load for Comments
  • Lazy Load for Videos
  • Lazy Load Optimizer
  • Lazy Loader
  • Leverage Browser Caching
  • Lightweight Accordion
  • Lite Video Embed
  • Load More Products for WooCommerce
  • LWSCache
  • Machete
  • ManageWP Worker
  • Memcached
  • Memcached Web Detection
  • Merge + Minify + Refresh
  • Minify HTML
  • Native Lazyload
  • Nginx Cache
  • Object Cache 4 everyone
  • OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy.
  • Optimole – Optimize Images | Convert WebP & AVIF | CDN &
  • Oracle Web Cache
  • Page Optimize
  • PageSpeed Ninja
  • Pantheon Advanced Page Cache
  • PhastPress
  • Plugin Check (PCP)
  • Plugin Load Filter
  • Pods Alternative Cache
  • Powered Cache
  • Powerkit – Supercharge your WordPress Site
  • Proxy Cache Purge
  • PWA for WP – Progressive Web Apps Made Simple
  • Query Monitor
  • QUIC.cloud
  • QuickWebP – Compress / Optimize Images & Convert WebP |
  • RabbitLoader
  • RackCache
  • Replicache
  • Scripts To Footer
  • Seraphinite Accelerator
  • Server-Side Cache AutoPurge
  • ShortPixel Adaptive Images
  • Simply Static – The Static Site Generator
  • Sitecore Experience Edge
  • Slim Maintenance Mode
  • SNS Count Cache
  • Solid Performance
  • Special Text Boxes
  • Specific Content For Mobile
  • Speed Booster Pack ⚡ PageSpeed Optimization Suite
  • SpeedyCache
  • SpinupWP
  • SQLite Database Integration
  • SQLite Object Cache
  • Squid
  • Staatic – Static Site Generator
  • Static 404
  • Super Page Cache
  • Swift Performance
  • Swift Performance Lite
  • TinyPNG – JPEG, PNG & WebP image compression
  • True Lazy Analytics
  • Unveil Lazy Load
  • Use Google Libraries
  • View Transitions
  • WebP Express
  • WP Compress
  • WP Hyper Response
  • WP Meteor Website Speed Optimization Addon
  • WP OPcache
  • WP Performance Score Booster
  • WP Redis
  • WP REST Cache
  • WP Speed of Light
  • WP Super Minify • Minify, Compress and Cache HTML, CSS &
  • WP YouTube Lyte
  • WP-Optimize
  • WPBase Cache
  • wpCache
  • WPCacheOn
  • WPGraphQL Smart Cache
  • Zero Config Performance Optimization