Tech Stack Detector — CMS, Analytics, Pixels, Payments, CDN & Hosting

Paste a list of domains and get one clean row per website showing what it is built with:

• CMS / site builder: WordPress, Shopify, Wix, Webflow, Squarespace, Framer, Drupal, Joomla, Ghost, HubSpot CMS, Contentful, Sanity, AEM, Hugo…
• E-commerce platform: Shopify, WooCommerce, Magento, BigCommerce, PrestaShop, OpenCart, Shopware, Salesforce Commerce Cloud, Ecwid, Haravan, Sapo
• Analytics & tag managers: Google Analytics 4 / Universal, Google Tag Manager, Hotjar, Microsoft Clarity, Plausible, Matomo, Mixpanel, Segment, Amplitude, Heap, PostHog…
• Ad pixels: Meta Pixel, TikTok Pixel, Google Ads, AdSense, LinkedIn Insight, Pinterest, X, Snap, Reddit, Microsoft UET, Criteo
• Payment providers found in page scripts: Stripe, PayPal, Braintree, Adyen, Klarna, Afterpay, Square, Amazon Pay, Razorpay, Mollie, Paddle, Shopify Payments
• CDN / WAF & hosting: Cloudflare, CloudFront, Fastly, Akamai, Vercel, Netlify, GitHub Pages, Heroku, Render, WP Engine, Kinsta, Azure, Google Cloud… plus the DNS provider
• JS frameworks & libraries: Next.js, Nuxt, React, Vue, Angular, Svelte, Astro, Gatsby, Remix, jQuery, Bootstrap…
• Chat widgets, marketing tools, cookie consent: Intercom, Drift, Zendesk, Tawk.to, Crisp, Tidio, HubSpot, Klaviyo, Mailchimp, OneTrust, Cookiebot…

About 170 technologies in 15 categories. Every detection comes with evidence (the script URL, header, cookie name or DNS record that matched), so you can check any result yourself.

Who it's for

• Sales & lead-gen: find prospects that run Shopify + Klaviyo, WordPress without a CDN, or stores with no Meta Pixel.
• Agencies: qualify a lead list before a pitch.
• Market research: measure which platforms and tools a list of competitors uses.

Input

{ "websites": ["example.com", "https://shop.example.com"], "maxConcurrency": 10, "timeoutSecs": 15, "includeEvidence": true }

Domains or full URLs. Duplicates are removed.

Output (one item per website)

{
  "domain": "allbirds.com", "statusCode": 200, "finalUrl": "https://www.allbirds.com/",
  "cms": ["Shopify"], "ecommerce": ["Shopify"], "analytics": ["Microsoft Clarity"], "tagManagers": ["Google Tag Manager"],
  "advertising": [], "payments": ["Shopify Payments / Shop Pay"], "cdn": ["Cloudflare"], "hosting": [], "jsFrameworks": [],
  "chatWidgets": [], "consent": ["OneTrust"], "dnsProvider": null, "technologyCount": 7,
  "technologies": [{ "name": "Shopify", "categories": ["ecommerce", "cms"], "evidence": ["html: cdn.shopify.com"] }, "..."]
}

Also: marketing, webServers, backend, jsLibraries, server, poweredBy, generator, title, ipv4, cname, nameservers, blockedByBotProtection, fetchError, charged. Export as JSON, CSV or Excel, or pull via API.

Pricing

Pay per website analysed. You are not charged for invalid inputs, sites that do not resolve or time out, HTTP errors (4xx/5xx), or sites that answer with a bot-protection challenge page. Those rows are still returned (with charged: false) so you can see what failed.

How it works

One plain HTTP request per site (homepage or the exact URL you give, following redirects) plus a few DNS lookups. No browser, no proxies, no logins, no CAPTCHA solving. 50 sites take about 10–20 seconds. It reads only public technical signals: HTML markup, response headers, the names of cookies the server sets (cookie values are never read or stored) and DNS records. It does not collect emails, phone numbers or any personal data.

Limitations

• Only the homepage HTML is read. Tools loaded later by JavaScript (for example GA4 loaded through Google Tag Manager, or a chat widget injected by a tag manager) may not appear. Tag managers themselves are detected.
• Sites protected by aggressive bot protection (some Akamai, Cloudflare, Fastly, DataDome setups) return a challenge page; these are flagged blockedByBotProtection: true and not charged. CDN/WAF detection from headers still works for them.
• Hosting behind a CDN is often hidden: a site on AWS behind Cloudflare shows only Cloudflare.
• Detection is pattern-based: it reports what the evidence shows, not version numbers.