Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.64.155.65 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 172.64.155.65
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://jwt.io:443 | 307 | HTTP/2 307 |
| 2 | https://www.jwt.io/ | 200 | HTTP/2 200 |
#1 URL https://jwt.io:443
HTTP Status Code 307
Status HTTP/2 307
#2 URL https://www.jwt.io/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22.7 ms |
| TCP Connect | 24.7 ms |
| TLS Handshake | 9.1 ms |
| Time To First Byte (TTFB) | 258.3 ms |
| Content Download | 86.6 ms |
| Total Response Time | 344.9 ms |
DNS Lookup 22.7 ms
TCP Connect 24.7 ms
TLS Handshake 9.1 ms
Time To First Byte (TTFB) 258.3 ms
Content Download 86.6 ms
Total Response Time 344.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=63072000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=63072000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | JSON Web Tokens - jwt.io |
| Meta Description | JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). |
| Canonical | https://jwt.io |
| Open Graph Title | JSON Web Tokens - jwt.io |
| Open Graph Description | JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). |
| Open Graph Image | https://jwt.io/img/facebook-card.png |
| Twitter Card | summary_large_image |
| Twitter Title | JWT.IO |
| Twitter Description | JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties. |
| Twitter Image | https://jwt.io/img/twitter-card.png |
Title JSON Web Tokens - jwt.io Meta Description JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). Canonical https://jwt.io Open Graph Title JSON Web Tokens - jwt.io Open Graph Description JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). Open Graph Image https://jwt.io/img/facebook-card.png Twitter Card summary_large_image Twitter Title JWT.IO Twitter Description JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties. Twitter Image https://jwt.io/img/twitter-card.png Detected Technologies
| Technology | Google Analytics Cloudflare Next.js |
Technology Google Analytics Cloudflare Next.js
HTTP Headers
| Date
| Thu, 20 Aug 2026 14:53:39 GMT |
| Content-type
| text/html; charset=utf-8 |
| Age
| 0 |
| Cache-control
| private, no-cache, no-store, max-age=0, must-revalidate |
| Link
| ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2" |
| Server
| cloudflare |
| Strict-transport-security
| max-age=63072000 |
| Vary
| accept-encoding |
| X-matched-path
| /[language] |
| X-powered-by
| Next.js |
| X-vercel-cache
| MISS |
| X-vercel-id
| cdg1::iad1::vwh7x-1787237619214-3b1e1441df2a |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2e23a900e2a5dcd-CDG |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Origin-trial | AnishhJF49gYd6FyezhA4gjpUPHOtlKPeoII1gtrsUrI6G1WVbIvL1AkNsBe9GQgen/8TIHHpWa8I8nFjbZObwMAAABneyJvcmlnaW4iOiJodHRwczovL3d3dy5qd3QuaW86NDQzIiwiZmVhdHVyZSI6IldlYkNyeXB0b0FkZGl0aW9uYWxBbGdvcml0aG1zMjAyNjA2IiwiZXhwaXJ5IjoxNzkyNDU0NDAwfQ== |
| Theme-color | #111111 |
| Description | JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). |
| Author | Auth0 |
| Keywords | jwt,jwt payload,jwt header,jwt signature,json web token,jwt debugger,jwt encoder,jwt decoder,jwt verification |
| Google-site-verification | cFjJt_KK4v_TKnCZ3hcuLlEUBBk4RLT0iByrpjCsvLA |
Date Thu, 20 Aug 2026 14:53:39 GMT
Content-type text/html; charset=utf-8
Age 0
Cache-control private, no-cache, no-store, max-age=0, must-revalidate
Link ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2"
Server cloudflare
Strict-transport-security max-age=63072000
Vary accept-encoding
X-matched-path /[language]
X-powered-by Next.js
X-vercel-cache MISS
X-vercel-id cdg1::iad1::vwh7x-1787237619214-3b1e1441df2a
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2e23a900e2a5dcd-CDG
