Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 143.204.194.87 |
| Software del servidor | Apache |
| CDN | CDN (Hit from cloudfront) |
| 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 143.204.194.87
Software del servidor Apache
CDN CDN (Hit from cloudfront)
Compresión gzip
ℹ 🔵 Falta Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
Rendimiento
| Resolución DNS | 10.4 ms |
| Conexión TCP | 11.4 ms |
| Negociación TLS | 6.2 ms |
| Tiempo hasta el primer byte (TTFB) | 23 ms |
| Descarga de contenido | 0.4 ms |
| Tiempo total de respuesta | 23.4 ms |
Resolución DNS 10.4 ms
Conexión TCP 11.4 ms
Negociación TLS 6.2 ms
Tiempo hasta el primer byte (TTFB) 23 ms
Descarga de contenido 0.4 ms
Tiempo total de respuesta 23.4 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31536000; includeSubdomains; preload |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31536000; includeSubdomains; preload
CSP ⚠ No configurado
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | NSF - U.S. National Science Foundation |
| Meta descripción | NSF is an independent federal agency that supports science and engineering in all 50 states and U.S. territories. |
| Canonical | https://www.nsf.gov/ |
| Título Open Graph | NSF - U.S. National Science Foundation |
| Descripción Open Graph | NSF's mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country. |
| Imagen Open Graph | https://www.nsf.gov/themes/custom/nsf_theme/logo-200x200.png |
| Twitter Card | summary_large_image |
| Título Twitter | NSF - U.S. National Science Foundation |
| Imagen Twitter | https://www.nsf.gov/themes/custom/nsf_theme/logo-200x200.png |
Título NSF - U.S. National Science Foundation Meta descripción NSF is an independent federal agency that supports science and engineering in all 50 states and U.S. territories. Canonical https://www.nsf.gov/ Título Open Graph NSF - U.S. National Science Foundation Descripción Open Graph NSF's mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country. Imagen Open Graph https://www.nsf.gov/themes/custom/nsf_theme/logo-200x200.png Twitter Card summary_large_image Título Twitter NSF - U.S. National Science Foundation Imagen Twitter https://www.nsf.gov/themes/custom/nsf_theme/logo-200x200.png Tecnologías Detectadas
| Tecnología | Drupal Google Analytics Google Tag Manager Apache |
Tecnología Drupal Google Analytics Google Tag Manager Apache
Cabeceras HTTP
| Content-type
| text/html; charset=UTF-8 |
| Date
| Thu, 23 Jul 2026 10:19:13 GMT |
| X-xss-protection
| 1; mode=block |
| Strict-transport-security
| max-age=31536000; includeSubdomains; preload |
| Server
| Apache |
| X-content-type-options
| nosniff |
| Cache-control
| max-age=3600, public, stale-if-error=3600, stale-while-revalidate=300 |
| X-drupal-dynamic-cache
| MISS |
| Content-language
| en |
| X-frame-options
| SAMEORIGIN |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Last-modified
| Thu, 23 Jul 2026 05:56:33 GMT |
| X-generator
| Drupal 10 (https://www.drupal.org) |
| X-drupal-cache
| HIT |
| Set-cookie
| ADRUM_BT=R%3A0%7Cg%3A0d309047-8ba8-4176-b4a8-80f3736bdfa02%7Cn%3Ansf-prod_4d17e3c3-6450-4c65-944e-6e5d49a6ce63%7Ci%3A872647%7Ch%3Ae%7Ce%3A210; expires=Thu, 23 Jul 2026 10:19:43 GMT; Max-Age=30; path=/; secure |
| Content-encoding
| gzip |
| Etag
| "1784786193-gzip" |
| Vary
| Origin |
| X-cache
| Hit from cloudfront |
| Via
| 1.1 0d64966b5ac3442e25f46b5f01c0c958.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG54-P1 |
| X-amz-cf-id
| sBa75HAnQfMNTTnmXDe9MlIJRgixaiOZCgMdeyzkBngm7lqRTsk7NA== |
| Age
| 2669 |
Meta Tags
| Description | NSF is an independent federal agency that supports science and engineering in all 50 states and U.S. territories. |
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Content-type text/html; charset=UTF-8
Date Thu, 23 Jul 2026 10:19:13 GMT
X-xss-protection 1; mode=block
Strict-transport-security max-age=31536000; includeSubdomains; preload
Server Apache
X-content-type-options nosniff
Cache-control max-age=3600, public, stale-if-error=3600, stale-while-revalidate=300
X-drupal-dynamic-cache MISS
Content-language en
X-frame-options SAMEORIGIN
Expires Sun, 19 Nov 1978 05:00:00 GMT
Last-modified Thu, 23 Jul 2026 05:56:33 GMT
X-generator Drupal 10 (https://www.drupal.org)
X-drupal-cache HIT
Set-cookie ADRUM_BT=R%3A0%7Cg%3A0d309047-8ba8-4176-b4a8-80f3736bdfa02%7Cn%3Ansf-prod_4d17e3c3-6450-4c65-944e-6e5d49a6ce63%7Ci%3A872647%7Ch%3Ae%7Ce%3A210; expires=Thu, 23 Jul 2026 10:19:43 GMT; Max-Age=30; path=/; secure
Content-encoding gzip
Etag "1784786193-gzip"
Vary Origin
X-cache Hit from cloudfront
Via 1.1 0d64966b5ac3442e25f46b5f01c0c958.cloudfront.net (CloudFront)
X-amz-cf-pop CDG54-P1
X-amz-cf-id sBa75HAnQfMNTTnmXDe9MlIJRgixaiOZCgMdeyzkBngm7lqRTsk7NA==
Age 2669
