Enter any website URL to instantly detect its Content Management System (WordPress, Shopify, Webflow), active theme, installed plugins, frontend libraries, server infrastructure, and marketing pixels.
Every web application leaves architectural footprints in its rendered HTML output, asset paths, HTTP response headers, and DOM declarations. Our detector inspects these signatures across five independent layers:
WordPress themes load their stylesheets from /wp-content/themes/{theme_slug}/style.css. Shopify loads from cdn.shopify.com/s/files/. These reveal exact theme names and child theme parentage.
Modern platforms declare runtime objects like window.Shopify.theme, window.wp, or window.__NEXT_DATA__ that expose build environments, active theme IDs, and hydration states.
Web servers announce themselves via headers like server: cloudflare, server: litespeed, or x-powered-by: PHP, detailing edge caching, reverse proxies, and origin engines.
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