CMS & Plugin Detector

Instantly detect any website's CMS, themes, plugins, analytics & frameworks.

CMS & Plugin Detector reveals the complete technology stack behind any website with a single click. Identify what powers any site you visit, from the content management system and theme to every plugin, analytics tool, and framework in use. What It Detects Our detection engine covers 290+ technologies across 8 categories: Platforms & Themes : Identify the CMS or site builder behind any website, along with the active theme or template. Works with all major platforms and hundreds of themes. Plugins & Extensions : See which plugins are installed, from SEO tools and page builders to contact forms and caching solutions. Each detection includes a confidence score. Analytics & Advertising : Detect tracking scripts and advertising pixels running on any page, including their measurement IDs when available. Frameworks & Infrastructure : Identify front-end frameworks, server technologies, CDNs, and hosting providers powering the site. Free Features - Detect the main platform and theme on any website - See the top 3 plugins with confidence scores - 25 lookups per day - Clean, fast popup interface Pro Features — Unlock Full Power - All plugins & technologies with version numbers - Analytics measurement IDs - Export to JSON or CSV — perfect for audits and reports - Scan history — revisit previous analyses anytime - Unlimited lookups — no daily cap Pricing - Monthly: EUR 3.99/month - Lifetime: EUR 19.99 one-time payment Privacy First - No login required — start detecting immediately - Anonymous device ID only — no personal data collected - No browsing history tracked - Stripe handles all payments securely Who Is This For? Web developers investigating competitor stacks, digital marketers auditing client websites, SEO professionals analyzing site infrastructure, freelancers scoping new projects, and agencies building competitive reports. If you've ever wondered "what is this site built with?" — this extension gives you the answer instantly.