Informations Techniques
| Code de Statut HTTP | 200 |
| Version HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Adresse IP | 192.124.249.113 |
| Logiciel Serveur | Sucuri/Cloudproxy |
| Compression | gzip |
|
🔒 🟡 Contenu Mixte (2 ressources HTTP) | La page est servie en HTTPS mais charge 2 ressource(s) en HTTP. Cela peut être bloqué par les navigateurs modernes. |
|
ℹ 🔵 Content Security Policy Manquante | CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu. |
Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 192.124.249.113
Logiciel Serveur Sucuri/Cloudproxy
Compression gzip
🔒 🟡 Contenu Mixte (2 ressources HTTP) La page est servie en HTTPS mais charge 2 ressource(s) en HTTP. Cela peut être bloqué par les navigateurs modernes.
ℹ 🔵 Content Security Policy Manquante CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu.
Chaîne de Redirection
| # | URL | Code de Statut HTTP | Statut |
| 1 | https://nngroup.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.nngroup.com/ | 200 | HTTP/2 200 |
#1 URL https://nngroup.com:443
Code de Statut HTTP 301
Statut HTTP/2 301
#2 URL https://www.nngroup.com/
Code de Statut HTTP 200
Statut HTTP/2 200
Performance
| Résolution DNS | 38 ms |
| Connexion TCP | 39.5 ms |
| Négociation TLS | 5.1 ms |
| Temps Jusqu'au Premier Octet (TTFB) | 46.7 ms |
| Téléchargement du Contenu | 1.8 ms |
| Temps de Réponse Total | 48.5 ms |
Résolution DNS 38 ms
Connexion TCP 39.5 ms
Négociation TLS 5.1 ms
Temps Jusqu'au Premier Octet (TTFB) 46.7 ms
Téléchargement du Contenu 1.8 ms
Temps de Réponse Total 48.5 ms
Sécurité
| HTTPS | ✔ Activé |
| HSTS | ✔ max-age=63072000; includeSubDomains; preload |
| CSP | ⚠ Non configuré |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Politique de Référent | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activé
HSTS ✔ max-age=63072000; includeSubDomains; preload
CSP ⚠ Non configuré
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Politique de Référent strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
Vérification SEO Rapide
| Titre | Nielsen Norman Group: UX Training, Consulting, & Research - NN/G |
| Meta Description | A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. |
| Titre Open Graph | Nielsen Norman Group: UX Training, Consulting, & Research |
| Description Open Graph | A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. |
| Image Open Graph | https://media.nngroup.com/media/metadata/opengraph_images... |
Titre Nielsen Norman Group: UX Training, Consulting, & Research - NN/G Meta Description A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. Titre Open Graph Nielsen Norman Group: UX Training, Consulting, & Research Description Open Graph A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. Image Open Graph https://media.nngroup.com/media/metadata/opengraph_images... Technologies Détectées
| Technologie | Google Analytics Google Tag Manager |
Technologie Google Analytics Google Tag Manager
En-têtes HTTP
| Date
| Wed, 22 Jul 2026 10:05:04 GMT |
| Content-type
| text/html; charset=utf-8 |
| Content-length
| 32859 |
| X-sucuri-id
| 19012 |
| Age
| 14197 |
| Cache-control
| max-age=14400 |
| Content-encoding
| gzip |
| Content-security-policy-report-only
| style-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; default-src 'self'; script-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; connect-src 'self'; font-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; img-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com |
| Cross-origin-opener-policy
| same-origin |
| Expires
| Wed, 22 Jul 2026 09:11:33 GMT |
| Nel
| {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1} |
| Referrer-policy
| strict-origin-when-cross-origin |
| Report-to
| {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D\u0026sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6\u0026ts=1784711289"}],"max_age":3600} |
| Reporting-endpoints
| heroku-nel="https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D&sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6&ts=1784711289" |
| Strict-transport-security
| max-age=63072000; includeSubDomains; preload |
| Vary
| Cookie, Accept-Encoding |
| Via
| 1.1 heroku-router |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Server
| Sucuri/Cloudproxy |
| X-sucuri-cache
| HIT |
| Alt-svc
| h3=":443"; ma=86400 |
Balises Meta
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| Description | A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. |
| Keywords | Jakob Nielsen, Don Norman, Donald A. Norman, Bruce Tognazzini, Tog, usability consulting, usability consultant, UX consulting, UX consultant, usability training, user experience, user-centered design, UCD, human factors, Web guru, design gurus, process improvement, NNG, nngroup |
| Google-site-verification | l0IUeb5igyeFisldPra8f_Qt0z2WGy8cobau_DRiJUs |
Date Wed, 22 Jul 2026 10:05:04 GMT
Content-type text/html; charset=utf-8
Content-length 32859
X-sucuri-id 19012
Age 14197
Cache-control max-age=14400
Content-encoding gzip
Content-security-policy-report-only style-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; default-src 'self'; script-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; connect-src 'self'; font-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; img-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com
Cross-origin-opener-policy same-origin
Expires Wed, 22 Jul 2026 09:11:33 GMT
Nel {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Referrer-policy strict-origin-when-cross-origin
Report-to {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D\u0026sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6\u0026ts=1784711289"}],"max_age":3600}
Reporting-endpoints heroku-nel="https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D&sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6&ts=1784711289"
Strict-transport-security max-age=63072000; includeSubDomains; preload
Vary Cookie, Accept-Encoding
Via 1.1 heroku-router
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Server Sucuri/Cloudproxy
X-sucuri-cache HIT
Alt-svc h3=":443"; ma=86400
