Informations Techniques
| Code de Statut HTTP | 200 |
| Version HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Adresse IP | 54.144.149.35 |
| CDN | CDN (HIT, HIT, HIT, HIT-STALE-CLUSTER) |
| Compression | gzip |
|
ℹ 🔵 X-Frame-Options Manquant | Le site peut être intégré dans des iframes par des tiers (risque de clickjacking). |
Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 54.144.149.35
CDN CDN (HIT, HIT, HIT, HIT-STALE-CLUSTER)
Compression gzip
ℹ 🔵 X-Frame-Options Manquant Le site peut être intégré dans des iframes par des tiers (risque de clickjacking).
Chaîne de Redirection
| # | URL | Code de Statut HTTP | Statut |
| 1 | https://sciam.com:443 | 302 | HTTP/2 302 |
| 2 | https://www.scientificamerican.com/ | 200 | HTTP/2 200 |
#1 URL https://sciam.com:443
Code de Statut HTTP 302
Statut HTTP/2 302
#2 URL https://www.scientificamerican.com/
Code de Statut HTTP 200
Statut HTTP/2 200
Performance
| Résolution DNS | 17.7 ms |
| Connexion TCP | 18.6 ms |
| Négociation TLS | 7.8 ms |
| Temps Jusqu'au Premier Octet (TTFB) | 33.7 ms |
| Téléchargement du Contenu | 6 ms |
| Temps de Réponse Total | 39.7 ms |
Résolution DNS 17.7 ms
Connexion TCP 18.6 ms
Négociation TLS 7.8 ms
Temps Jusqu'au Premier Octet (TTFB) 33.7 ms
Téléchargement du Contenu 6 ms
Temps de Réponse Total 39.7 ms
Sécurité
| HTTPS | ✔ Activé |
| HSTS | ✔ max-age=600; includeSubDomains |
| CSP | ✔ Configuré |
| X-Frame-Options | ⚠ Non configuré |
| X-Content-Type-Options | ✔ nosniff |
| Politique de Référent | strict-origin-when-cross-origin |
| Politique de Permissions | ✔ Configuré |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activé
HSTS ✔ max-age=600; includeSubDomains
CSP ✔ Configuré
X-Frame-Options ⚠ Non configuré
X-Content-Type-Options ✔ nosniff
Politique de Référent strict-origin-when-cross-origin
Politique de Permissions ✔ Configuré
HTTP/2 ⚠ HTTP/1.1
Vérification SEO Rapide
| Titre | Scientific American |
| Meta Description | Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. |
| Canonique | https://www.scientificamerican.com/ |
| Robots Meta | max-image-preview:standard |
| Titre Open Graph | Scientific American |
| Description Open Graph | Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. |
| Image Open Graph | https://www.scientificamerican.com/static/sciam-mark.jpg |
| Twitter Card | summary_large_image |
| Titre Twitter | Scientific American |
| Description Twitter | Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. |
| Image Twitter | https://www.scientificamerican.com/static/sciam-mark.jpg |
Titre Scientific American Meta Description Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. Canonique https://www.scientificamerican.com/ Robots Meta max-image-preview:standard Titre Open Graph Scientific American Description Open Graph Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. Image Open Graph https://www.scientificamerican.com/static/sciam-mark.jpg Twitter Card summary_large_image Titre Twitter Scientific American Description Twitter Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. Image Twitter https://www.scientificamerican.com/static/sciam-mark.jpg Technologies Détectées
| Technologie | Google Analytics Google Tag Manager Node.js |
Technologie Google Analytics Google Tag Manager Node.js
En-têtes HTTP
| Content-type
| text/html; charset=utf-8 |
| Content-encoding
| gzip |
| X-envoy-upstream-service-time
| 42 |
| Content-security-policy
| frame-ancestors 'self' |
| Via
| 1.1 varnish, 1.1 varnish |
| Accept-ranges
| bytes |
| Age
| 167 |
| Date
| Wed, 22 Jul 2026 13:40:08 GMT |
| Set-cookie
| sciam_testgroup2=1; domain=www.scientificamerican.com; expires=Thu, 22 Jul 2027 13:40:08 GMT; path=/; Secure; HttpOnly; SameSite=Lax |
| X-resp-is-stale
| true |
| X-served-by
| cache-iad-khef600087-IAD, cache-par-lfpg1960035-PAR |
| X-cache-hits
| 13, 0 |
| Vary
| X-Sciam-Testgroup2, Accept-Encoding |
| X-cache
| HIT, HIT, HIT, HIT-STALE-CLUSTER |
| Cache-control
| no-store |
| Cross-origin-opener-policy
| same-origin-allow-popups |
| Strict-transport-security
| max-age=600; includeSubDomains |
| Permissions-policy
| microphone=self, camera=self |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-content-type-options
| nosniff |
| Content-length
| 113261 |
Balises Meta
| Theme-color | #fff |
| Robots | max-image-preview:standard |
| Description | Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. |
| Viewport | width=device-width, initial-scale=1.0 |
Content-type text/html; charset=utf-8
Content-encoding gzip
X-envoy-upstream-service-time 42
Content-security-policy frame-ancestors 'self'
Via 1.1 varnish, 1.1 varnish
Accept-ranges bytes
Age 167
Date Wed, 22 Jul 2026 13:40:08 GMT
Set-cookie sciam_testgroup2=1; domain=www.scientificamerican.com; expires=Thu, 22 Jul 2027 13:40:08 GMT; path=/; Secure; HttpOnly; SameSite=Lax
X-resp-is-stale true
X-served-by cache-iad-khef600087-IAD, cache-par-lfpg1960035-PAR
X-cache-hits 13, 0
Vary X-Sciam-Testgroup2, Accept-Encoding
X-cache HIT, HIT, HIT, HIT-STALE-CLUSTER
Cache-control no-store
Cross-origin-opener-policy same-origin-allow-popups
Strict-transport-security max-age=600; includeSubDomains
Permissions-policy microphone=self, camera=self
Referrer-policy strict-origin-when-cross-origin
X-content-type-options nosniff
Content-length 113261
