NoWorries

Privacy-first website technology analyzer. Detect frameworks, CMS, analytics, and more — all analysis runs locally.

NoWorries reveals the technology stack behind any website — frameworks, CMS, analytics, CDNs, and 3,700+ more technologies — all without sending a single byte of data off your browser. HOW IT WORKS Open the popup on any page. Results are grouped by category with confidence scores so you know how certain each detection is and you can read the detection reason too! WHAT IT DETECTS • 3,700+ more across 16 categories PRIVACY FIRST NoWorries is built on a simple principle: your browsing data is yours. - Everything runs 100% locally in your browser - Zero network requests to external servers - No accounts, no tracking, no telemetry - Session-only storage — data is cleared when you close the browser - Open detection database — every pattern is transparent and auditable BUILT FOR DEVELOPERS • Confidence scores with explainable evidence — click any result to see exactly which signals triggered the detection • Version detection for popular libraries (jQuery, Angular, Bootstrap, Vue, and more) • Weighted scoring with sigmoid confidence curves for accurate results • Technology implication chains (e.g., Next.js implies React) Perfect for developers, designers, security researchers, and anyone curious about how the web is built.