What jwt.io is built with
Read on 2026-10-28 16:12. 11 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| Cloudflare | CDN | 100% | headers server: cloudflare | |
| Cloudflare DNS | Hosting | 100% | dns NS: carrera.ns.cloudflare.com | |
| Emotion | JavaScript frameworks, Development | 100% | dom style[data-emotion], style[data-emotion-css]: <style data-emotion="css b62m3t-container">.css-b62m3t-container{position:relative;box-sizing:border-box;}</style> | |
| HSTS | Security | 100% | headers strict-transport-security: max-age=63072000 | |
| Next.js | JavaScript frameworks, Web frameworks, Web servers, Static site generator | 100% | headers x-powered-by: Next.js | |
| Open Graph | Miscellaneous | 100% | dom meta[property*='og:']: <meta property="og:title" content="JSON Web Tokens - jwt.io"> | |
| PWA | Miscellaneous | 100% | dom link[rel='manifest']: <link rel="manifest" href="/manifest.webmanifest"> | |
| Priority Hints | Performance | 100% | dom iframe[fetchpriority], img[fetchpriority], script[fetchpriority], link[fetchpriority]: <link rel="preload" as="script" fetchPriority="low" href="/_next/static/chunks/webpack-968373b8f491ab8f.js"> | |
| React | JavaScript frameworks | 100% | html: ed Header</h4></div><template data-react-aria-hidden="true"></template><div clas | |
| Vercel | PaaS | 100% | headers x-vercel-cache: MISS | |
| Webpack | Miscellaneous | 100% | implied Next.js |
Look up any site with GET /v1/lookup?domain=jwt.io. Start free.