Website Tech Stack Detector

Detect 150+ web technologies on any website — CMS platforms, frontend frameworks, analytics tools, marketing automation, chat widgets, CDNs, payment systems, and more. A cost-effective alternative to BuiltWith ($295/mo) and Wappalyzer ($250/mo).

What it does

Give it any website URL and it identifies the full technology stack:

• CMS: WordPress, Shopify, Wix, Squarespace, Drupal, Webflow, Ghost, Magento, and more
• Frontend Frameworks: React, Vue.js, Angular, Next.js, Nuxt.js, Svelte, Astro
• Analytics: Google Analytics, GTM, Hotjar, Mixpanel, Segment, Amplitude, Plausible
• Marketing: HubSpot, Mailchimp, Klaviyo, ActiveCampaign, Marketo, Pardot
• Chat & Support: Intercom, Drift, Zendesk, Crisp, Tawk.to, LiveChat
• E-Commerce: Stripe, PayPal, Klarna, Razorpay, Square
• CDN & Hosting: Cloudflare, Vercel, Netlify, AWS, Fastly, Nginx, Apache
• And more: CSS frameworks, JS libraries, fonts, security tools, A/B testing, privacy

Key features

• 150+ technologies across 15+ categories
• Version detection for popular technologies (jQuery, WordPress, PHP, Nginx, etc.)
• Multi-page analysis — crawls up to 10 pages per domain to catch technologies only loaded on inner pages
• HTTP header analysis — detects CDNs, servers, and hosting from response headers
• Confidence scoring — high confidence for meta/script matches, medium for HTML patterns
• Categorized output — technologies grouped by category for easy analysis

Example output

{
    "url": "https://shopify.com",
    "domain": "shopify.com",
    "technologies": [
        {
            "name": "Next.js",
            "category": "Frontend Frameworks",
            "version": null,
            "website": "https://nextjs.org",
            "confidence": "high"
        },
        {
            "name": "React",
            "category": "Frontend Frameworks",
            "version": null,
            "website": "https://react.dev",
            "confidence": "medium"
        },
        {
            "name": "Google Tag Manager",
            "category": "Analytics",
            "version": null,
            "website": "https://tagmanager.google.com",
            "confidence": "high"
        },
        {
            "name": "Cloudflare",
            "category": "CDN & Performance",
            "version": null,
            "website": "https://www.cloudflare.com",
            "confidence": "high"
        }
    ],
    "techCount": 12,
    "categories": {
        "Frontend Frameworks": ["Next.js", "React"],
        "Analytics": ["Google Tag Manager", "Google Analytics"],
        "CDN & Performance": ["Cloudflare"],
        "Fonts & Icons": ["Google Fonts"]
    },
    "pagesAnalyzed": 3,
    "analyzedAt": "2026-02-07T12:00:00.000Z"
}

Input

Field	Type	Default	Description
urls	string[]	required	Website URLs or domains to analyze
maxPagesPerDomain	integer (1-10)	3	Pages to crawl per domain
proxyConfiguration	object	Apify Proxy	Proxy settings

Use cases

• Sales prospecting — Identify what tools a company uses to personalize your pitch
• Competitive analysis — Compare tech stacks across competitors
• Market research — Survey technology adoption across an industry
• Lead qualification — Filter leads by technology (e.g., "all Shopify stores using Klaviyo")
• Agency outreach — Find companies using outdated tech that need upgrades
• SEO audits — Detect analytics, CDN, and performance tools

API usage

Python

from apify_client import ApifyClient

client = ApifyClient("YOUR_API_TOKEN")
run = client.actor("ryanclinton/website-tech-stack-detector").call(
    run_input={
        "urls": ["https://shopify.com", "https://stripe.com"],
        "maxPagesPerDomain": 3,
    }
)
for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(f"{item['domain']}: {item['techCount']} technologies")
    for cat, techs in item["categories"].items():
        print(f"  {cat}: {', '.join(techs)}")

JavaScript

import { ApifyClient } from 'apify-client';

const client = new ApifyClient({ token: 'YOUR_API_TOKEN' });
const run = await client.actor('ryanclinton/website-tech-stack-detector').call({
    urls: ['https://shopify.com', 'https://stripe.com'],
    maxPagesPerDomain: 3,
});
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach(item => {
    console.log(`${item.domain}: ${item.techCount} technologies`);
});

Pipeline integration

Chain with other actors in the B2B lead generation pipeline:

1. Google Maps Lead Enricher → Find businesses
2. Website Tech Stack Detector → Analyze their tech stack
3. Website Contact Scraper → Find decision-maker contacts
4. Email Pattern Finder → Derive email patterns
5. B2B Lead Qualifier → Score and qualify leads

Technology categories

Category	Count	Examples
CMS	15	WordPress, Shopify, Wix, Squarespace, Webflow
Frontend Frameworks	10	React, Vue.js, Angular, Next.js, Svelte
JavaScript Libraries	7	jQuery, Lodash, GSAP, Three.js, D3.js
CSS Frameworks	6	Bootstrap, Tailwind CSS, Bulma, Material UI
Analytics	10	Google Analytics, GTM, Hotjar, Mixpanel
Marketing & Automation	10	HubSpot, Mailchimp, Klaviyo, Marketo
Chat & Support	8	Intercom, Drift, Zendesk, Crisp, Tawk.to
E-Commerce & Payment	6	Stripe, PayPal, Klarna, Square
CDN & Performance	6	Cloudflare, Fastly, Vercel, Netlify
Hosting & Infrastructure	7	Nginx, Apache, PHP, Heroku
Fonts & Icons	4	Google Fonts, Font Awesome
Security	2	reCAPTCHA, Cloudflare Turnstile
Privacy	3	OneTrust, Cookiebot, Osano