Detect the tech stack behind any website
Paste a URL and instantly see the CMS, JavaScript frameworks, CDN, analytics tools, ad platforms, and ecommerce technology powering any site. Free — no account needed.
Technologies detected across 8 categories
ScrapingJutsu uses signature-based fingerprinting (similar to Wappalyzer) to identify technologies from HTTP headers, HTML source, JavaScript variables, and meta tags.
CMS
WordPress, Shopify, Webflow, Wix, Ghost
JavaScript Frameworks
React, Next.js, Vue, Nuxt, Angular, Svelte
CDN & Hosting
Cloudflare, Fastly, Vercel, Netlify, AWS CloudFront
Analytics
Google Analytics, Plausible, Mixpanel, Segment, Hotjar
Advertising
Google Ads, Meta Pixel, TikTok Pixel, Criteo
Ecommerce
WooCommerce, Shopify, Magento, BigCommerce
UI Frameworks
Tailwind CSS, Bootstrap, Material UI, Chakra UI
Tag Managers
Google Tag Manager, Tealium, Segment
Who uses the tech stack detector?
Developers & Agencies
Audit competitor sites or potential clients to understand what stack they're running before a pitch or migration.
Sales & Marketing Teams
Qualify leads by identifying the tools they already use — route Shopify sites to your ecommerce specialist, for example.
Researchers & Analysts
Analyze technology adoption trends across industries or benchmark your stack against competitors.
Security Professionals
Identify outdated frameworks, exposed libraries, or misconfigured CDN settings on target sites during authorized assessments.
Features
- Grouped by category — instantly see CMS, frameworks, analytics, ads, and more
- Works on JavaScript-heavy SPAs and Next.js/Nuxt/Remix apps
- Included in every scrape — no separate request needed
- Available via REST API: POST /api/v1/scrape returns tech stack in the response
- Export full result including tech stack as JSON
- Free for guest users — no sign-up required for first 10 scrapes
Find out what any website is built with
Paste a URL. Get results in seconds. No login needed.
Open Tech Stack Detector