Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 199.232.170.49 |
| CDN | CDN (MISS, MISS, 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 199.232.170.49
CDN CDN (MISS, MISS, MISS, MISS-CLUSTER)
Compresión gzip
ℹ 🔵 Falta X-Frame-Options El sitio puede ser incrustado en iframes por terceros (riesgo de clickjacking).
Rendimiento
| Resolución DNS | 10.6 ms |
| Conexión TCP | 11.3 ms |
| Negociación TLS | 6.2 ms |
| Tiempo hasta el primer byte (TTFB) | 162.9 ms |
| Descarga de contenido | 3.9 ms |
| Tiempo total de respuesta | 166.7 ms |
Resolución DNS 10.6 ms
Conexión TCP 11.3 ms
Negociación TLS 6.2 ms
Tiempo hasta el primer byte (TTFB) 162.9 ms
Descarga de contenido 3.9 ms
Tiempo total de respuesta 166.7 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
| 49 |
| Content-security-policy
| frame-ancestors 'self' |
| Via
| 1.1 varnish, 1.1 varnish |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Fri, 24 Jul 2026 16:05:04 GMT |
| Set-cookie
| sciam_testgroup2=4; domain=www.scientificamerican.com; expires=Sat, 24 Jul 2027 16:05:04 GMT; path=/; Secure; HttpOnly; SameSite=Lax |
| X-served-by
| cache-iad-khef600087-IAD, cache-par-lfpg1960050-PAR |
| X-cache-hits
| 0, 0 |
| Vary
| X-Sciam-Testgroup2, Accept-Encoding |
| X-cache
| MISS, MISS, 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
| 116657 |
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 49
Content-security-policy frame-ancestors 'self'
Via 1.1 varnish, 1.1 varnish
Accept-ranges bytes
Age 0
Date Fri, 24 Jul 2026 16:05:04 GMT
Set-cookie sciam_testgroup2=4; domain=www.scientificamerican.com; expires=Sat, 24 Jul 2027 16:05:04 GMT; path=/; Secure; HttpOnly; SameSite=Lax
X-served-by cache-iad-khef600087-IAD, cache-par-lfpg1960050-PAR
X-cache-hits 0, 0
Vary X-Sciam-Testgroup2, Accept-Encoding
X-cache MISS, MISS, 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 116657
