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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
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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

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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.

HTTP/3 Trend — Adoption, Growth & Co-occurring Technologies | WhatStack

HTTP/3 Technology Trend

HTTP/3 is detected on 159,466 websites in the WhatStack database.

Alternatives to HTTP/3

Open Graph — 191,944 websites
PWA — 87,411 websites
Popper — 10,552 websites
Gravatar — 8,312 websites
Webpack — 5,970 websites
DocuSign — 2,459 websites
Cloudinary — 2,342 websites
LottieFiles — 1,910 websites
Azure Edge Network — 1,266 websites
PDF.js — 1,216 websites