Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 23.185.0.1 |
| Software del servidor | nginx |
| CDN | CDN (HIT, HIT) |
| Compresión | gzip |
|
🔒 🟡 Mixed Content (8 recursos HTTP) | La página se sirve por HTTPS pero carga 8 recurso(s) por HTTP. Esto puede bloquearse en navegadores modernos. |
|
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 23.185.0.1
Software del servidor nginx
CDN CDN (HIT, HIT)
Compresión gzip
🔒 🟡 Mixed Content (8 recursos HTTP) La página se sirve por HTTPS pero carga 8 recurso(s) por HTTP. Esto puede bloquearse en navegadores modernos.
ℹ 🔵 Falta Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
Rendimiento
| Resolución DNS | 17.8 ms |
| Conexión TCP | 19 ms |
| Negociación TLS | 4.5 ms |
| Tiempo hasta el primer byte (TTFB) | 28.3 ms |
| Descarga de contenido | 0.2 ms |
| Tiempo total de respuesta | 28.6 ms |
Resolución DNS 17.8 ms
Conexión TCP 19 ms
Negociación TLS 4.5 ms
Tiempo hasta el primer byte (TTFB) 28.3 ms
Descarga de contenido 0.2 ms
Tiempo total de respuesta 28.6 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=300 |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=300
CSP ⚠ No configurado
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | Welcome | Open Yale Courses |
| Canonical | https://oyc.yale.edu/node/3 |
Título Welcome | Open Yale Courses
Canonical https://oyc.yale.edu/node/3
Tecnologías Detectadas
| Tecnología | Drupal Google Analytics Nginx |
Tecnología Drupal Google Analytics Nginx
Cabeceras HTTP
| Cache-control
| max-age=3600, public |
| Content-encoding
| gzip |
| Content-language
| en |
| Content-type
| text/html; charset=UTF-8 |
| Etag
| W/"1785109524" |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Last-modified
| Sun, 26 Jul 2026 23:45:24 GMT |
| Server
| nginx |
| Strict-transport-security
| max-age=300 |
| X-content-type-options
| nosniff |
| X-drupal-cache
| MISS |
| X-drupal-dynamic-cache
| MISS |
| X-frame-options
| SAMEORIGIN |
| X-generator
| Drupal 10 (https://www.drupal.org) |
| X-pantheon-styx-hostname
| styx-us-a-7ffbcf568d-8jhdk |
| X-styx-req-id
| 1237ffa3-894c-11f1-ac6e-8a040bc75677 |
| Date
| Tue, 28 Jul 2026 00:35:35 GMT |
| X-served-by
| cache-chi-kmdw8640027-CHI, cache-par-lfpb1150025-PAR |
| X-cache
| HIT, HIT |
| X-cache-hits
| 56, 0 |
| X-timer
| S1785198936.953072,VS0,VE3 |
| Vary
| Accept-Encoding, Cookie, Cookie, Cookie |
| Age
| 2649 |
| Accept-ranges
| bytes |
| Via
| 1.1 varnish, 1.1 varnish |
| Content-length
| 6812 |
Meta Tags
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Cache-control max-age=3600, public
Content-encoding gzip
Content-language en
Content-type text/html; charset=UTF-8
Etag W/"1785109524"
Expires Sun, 19 Nov 1978 05:00:00 GMT
Last-modified Sun, 26 Jul 2026 23:45:24 GMT
Server nginx
Strict-transport-security max-age=300
X-content-type-options nosniff
X-drupal-cache MISS
X-drupal-dynamic-cache MISS
X-frame-options SAMEORIGIN
X-generator Drupal 10 (https://www.drupal.org)
X-pantheon-styx-hostname styx-us-a-7ffbcf568d-8jhdk
X-styx-req-id 1237ffa3-894c-11f1-ac6e-8a040bc75677
Date Tue, 28 Jul 2026 00:35:35 GMT
X-served-by cache-chi-kmdw8640027-CHI, cache-par-lfpb1150025-PAR
X-cache HIT, HIT
X-cache-hits 56, 0
X-timer S1785198936.953072,VS0,VE3
Vary Accept-Encoding, Cookie, Cookie, Cookie
Age 2649
Accept-ranges bytes
Via 1.1 varnish, 1.1 varnish
Content-length 6812
