Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 151.101.193.55 |
| CDN | CDN (HIT, HIT, MISS, MISS-CLUSTER) |
| Compresión | gzip |
|
ℹ 🔵 Falta X-Frame-Options | El sitio puede ser incrustado en iframes por terceros (riesgo de clickjacking). |
Código de estado HTTP 200
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 151.101.193.55
CDN CDN (HIT, HIT, MISS, MISS-CLUSTER)
Compresión gzip
ℹ 🔵 Falta X-Frame-Options El sitio puede ser incrustado en iframes por terceros (riesgo de clickjacking).
Cadena de Redirecciones
| # | URL | Código de estado HTTP | Estado |
| 1 | https://scientificamerican.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.scientificamerican.com/ | 200 | HTTP/2 200 |
#1 URL https://scientificamerican.com:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://www.scientificamerican.com/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 8.3 ms |
| Conexión TCP | 9.4 ms |
| Negociación TLS | 6.5 ms |
| Tiempo hasta el primer byte (TTFB) | 100.5 ms |
| Descarga de contenido | 3.8 ms |
| Tiempo total de respuesta | 104.3 ms |
Resolución DNS 8.3 ms
Conexión TCP 9.4 ms
Negociación TLS 6.5 ms
Tiempo hasta el primer byte (TTFB) 100.5 ms
Descarga de contenido 3.8 ms
Tiempo total de respuesta 104.3 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=600; includeSubDomains |
| CSP | ✔ Configurado |
| X-Frame-Options | ⚠ No configurado |
| X-Content-Type-Options | ✔ nosniff |
| Política de Referrer | strict-origin-when-cross-origin |
| Política de Permisos | ✔ Configurado |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=600; includeSubDomains
CSP ✔ Configurado
X-Frame-Options ⚠ No configurado
X-Content-Type-Options ✔ nosniff
Política de Referrer strict-origin-when-cross-origin
Política de Permisos ✔ Configurado
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | Scientific American |
| Meta descripción | 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. |
| Canonical | https://www.scientificamerican.com/ |
| Robots Meta | max-image-preview:standard |
| Título Open Graph | Scientific American |
| Descripción 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. |
| Imagen Open Graph | https://www.scientificamerican.com/static/sciam-mark.jpg |
| Twitter Card | summary_large_image |
| Título Twitter | Scientific American |
| Descripción 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. |
| Imagen Twitter | https://www.scientificamerican.com/static/sciam-mark.jpg |
Título Scientific American Meta descripción 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. Canonical https://www.scientificamerican.com/ Robots Meta max-image-preview:standard Título Open Graph Scientific American Descripción 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. Imagen Open Graph https://www.scientificamerican.com/static/sciam-mark.jpg Twitter Card summary_large_image Título Twitter Scientific American Descripción 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. Imagen Twitter https://www.scientificamerican.com/static/sciam-mark.jpg Tecnologías Detectadas
| Tecnología | Google Analytics Google Tag Manager Node.js |
Tecnología Google Analytics Google Tag Manager Node.js
Cabeceras HTTP
| Content-type
| text/html; charset=utf-8 |
| Content-encoding
| gzip |
| X-envoy-upstream-service-time
| 118 |
| Content-security-policy
| frame-ancestors 'self' |
| Via
| 1.1 varnish, 1.1 varnish |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Thu, 23 Jul 2026 21:24:21 GMT |
| Set-cookie
| sciam_testgroup2=3; domain=www.scientificamerican.com; expires=Fri, 23 Jul 2027 21:24:21 GMT; path=/; Secure; HttpOnly; SameSite=Lax |
| X-served-by
| cache-iad-khef600087-IAD, cache-par-lfpb1150078-PAR |
| X-cache-hits
| 1, 0 |
| Vary
| X-Sciam-Testgroup2, Accept-Encoding |
| X-cache
| HIT, HIT, MISS, MISS-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
| 114469 |
Meta Tags
| 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 118
Content-security-policy frame-ancestors 'self'
Via 1.1 varnish, 1.1 varnish
Accept-ranges bytes
Age 0
Date Thu, 23 Jul 2026 21:24:21 GMT
Set-cookie sciam_testgroup2=3; domain=www.scientificamerican.com; expires=Fri, 23 Jul 2027 21:24:21 GMT; path=/; Secure; HttpOnly; SameSite=Lax
X-served-by cache-iad-khef600087-IAD, cache-par-lfpb1150078-PAR
X-cache-hits 1, 0
Vary X-Sciam-Testgroup2, Accept-Encoding
X-cache HIT, HIT, MISS, MISS-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 114469
