Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 144.171.1.10 |
| CDN | Fastly |
| Compresión | gzip |
|
ℹ 🔵 Falta Content Security Policy | No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido. |
Código de estado HTTP 200
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 144.171.1.10
CDN Fastly
Compresión gzip
ℹ 🔵 Falta Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
Cadena de Redirecciones
| # | URL | Código de estado HTTP | Estado |
| 1 | https://nap.edu:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://nap.nationalacademies.org/ | 302 | HTTP/1.1 302 Found |
| 3 | https://www.nationalacademies.org/publications/all | 200 | HTTP/2 200 |
#1 URL https://nap.edu:443
Código de estado HTTP 301
Estado HTTP/1.1 301 Moved Permanently
#2 URL https://nap.nationalacademies.org/
Código de estado HTTP 302
Estado HTTP/1.1 302 Found
#3 URL https://www.nationalacademies.org/publications/all
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 42.5 ms |
| Conexión TCP | 43.5 ms |
| Negociación TLS | 13.4 ms |
| Tiempo hasta el primer byte (TTFB) | 401.4 ms |
| Descarga de contenido | 219 ms |
| Tiempo total de respuesta | 620.4 ms |
Resolución DNS 42.5 ms
Conexión TCP 43.5 ms
Negociación TLS 13.4 ms
Tiempo hasta el primer byte (TTFB) 401.4 ms
Descarga de contenido 219 ms
Tiempo total de respuesta 620.4 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31557600 |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Política de Referrer | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31557600
CSP ⚠ No configurado
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Política de Referrer strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | National Academies Publications |
| Meta descripción | Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. |
| Robots Meta | index,nofollow |
| Título Open Graph | National Academies Publications |
| Descripción Open Graph | Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. |
| Imagen Open Graph | https://www.nationalacademies.org/cover.jpg |
| Twitter Card | summary |
| Título Twitter | National Academies Publications |
| Descripción Twitter | Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. |
| Imagen Twitter | https://www.nationalacademies.org/cover.jpg |
Título National Academies Publications Meta descripción Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. Robots Meta index,nofollow Título Open Graph National Academies Publications Descripción Open Graph Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. Imagen Open Graph https://www.nationalacademies.org/cover.jpg Twitter Card summary Título Twitter National Academies Publications Descripción Twitter Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. Imagen Twitter https://www.nationalacademies.org/cover.jpg Tecnologías Detectadas
| Tecnología | Google Analytics Google Tag Manager Node.js |
Tecnología Google Analytics Google Tag Manager Node.js
Cabeceras HTTP
| X-frame-options
| SAMEORIGIN |
| X-platform-server
| i-0a5226b6b350120d4 |
| X-xss-protection
| 1; mode=block |
| X-debug-info
| eyJyZXRyaWVzIjowfQ== |
| Content-type
| text/html; charset=UTF-8 |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-timer
| S1787191546.570342,VS0,VE768 |
| Traceresponse
| 00-18cd613de3cf511489d7c375690ce11e-c76d03879a66b67b-01 |
| X-content-type-options
| nosniff |
| Accept-ranges
| bytes |
| X-served-by
| cache-iad-khef600048-IAD, cache-iad-khef600048-IAD, cache-iad-khef600028-IAD, cache-lga21930-LGA |
| X-cache-hits
| 0, 2, 1 |
| Strict-transport-security
| max-age=31557600 |
| Vary
| Accept-Encoding |
| Content-encoding
| gzip |
| Expires
| Thu, 20 Aug 2026 02:05:55 GMT |
| Cache-control
| max-age=0, no-cache, no-store |
| Pragma
| no-cache |
| Date
| Thu, 20 Aug 2026 02:05:55 GMT |
| Alt-svc
| h3=":443"; ma=93600 |
| Akamai-grn
| 0.17c01160.1787191555.b01d0b1 |
| Akamai-cache-status
| NotCacheable from child |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. |
| Robots | index,nofollow |
| Apple-mobile-web-app-title | National Academies |
X-frame-options SAMEORIGIN
X-platform-server i-0a5226b6b350120d4
X-xss-protection 1; mode=block
X-debug-info eyJyZXRyaWVzIjowfQ==
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Accept-ranges bytes
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X-cache-hits 0, 2, 1
Strict-transport-security max-age=31557600
Vary Accept-Encoding
Content-encoding gzip
Expires Thu, 20 Aug 2026 02:05:55 GMT
Cache-control max-age=0, no-cache, no-store
Pragma no-cache
Date Thu, 20 Aug 2026 02:05:55 GMT
Alt-svc h3=":443"; ma=93600
Akamai-grn 0.17c01160.1787191555.b01d0b1
Akamai-cache-status NotCacheable from child
