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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.

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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.

reCAPTCHA Trend — Adoption, Growth & Co-occurring Technologies | WhatStack

reCAPTCHA Technology Trend

reCAPTCHA is detected on 31,279 websites in the WhatStack database.

Technologies commonly used with reCAPTCHA

Open Graph — 79% co-occurrence
Schema.org — 61% co-occurrence
PHP — 59% co-occurrence
Google — 56% co-occurrence
reCAPTCHA Enterprise — 55% co-occurrence
Google Analytics — 52% co-occurrence
HSTS — 51% co-occurrence
Google Tag Manager — 50% co-occurrence

Alternatives to reCAPTCHA

HSTS — 127,632 websites
Cloudflare WAF — 52,352 websites
Cloudflare Bot Management — 32,448 websites
Cloudflare DDoS Protection — 24,937 websites
reCAPTCHA Enterprise — 17,348 websites
hCaptcha — 7,168 websites
Akamai Kona Site Defender — 5,718 websites
Cloudflare Turnstile — 5,483 websites
DDoS-Guard — 2,925 websites
Imperva — 2,451 websites