Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 23.185.0.3 |
| Software del servidor | nginx |
| CDN | CDN (HIT, MISS) |
| Compresión | gzip |
|
🔒 🟡 Mixed Content (1 recursos HTTP) | La página se sirve por HTTPS pero carga 1 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 23.185.0.3
Software del servidor nginx
CDN CDN (HIT, MISS)
Compresión gzip
🔒 🟡 Mixed Content (1 recursos HTTP) La página se sirve por HTTPS pero carga 1 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.
Cadena de Redirecciones
| # | URL | Código de estado HTTP | Estado |
| 1 | https://sfusd.edu:443 | 301 | HTTP/2 301 |
| 2 | https://www.sfusd.edu/ | 200 | HTTP/2 200 |
#1 URL https://sfusd.edu:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://www.sfusd.edu/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 200.4 ms |
| Conexión TCP | 201.2 ms |
| Negociación TLS | 5.2 ms |
| Tiempo hasta el primer byte (TTFB) | 307.8 ms |
| Descarga de contenido | 0.9 ms |
| Tiempo total de respuesta | 308.6 ms |
Resolución DNS 200.4 ms
Conexión TCP 201.2 ms
Negociación TLS 5.2 ms
Tiempo hasta el primer byte (TTFB) 307.8 ms
Descarga de contenido 0.9 ms
Tiempo total de respuesta 308.6 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31622400; includeSubDomains; preload |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31622400; includeSubDomains; preload
CSP ⚠ No configurado
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | San Francisco Public Schools | SFUSD |
| Meta descripción | San Francisco Unified School District (SFUSD) is the seventh largest school district in California, educating around 50,000 students every year. San Francisco is both a city and a county; therefore, SFUSD administers both the school district and the San Francisco County Office of Education (COE). This makes SFUSD a "single district county." |
| Canonical | https://www.sfusd.edu/ |
Título San Francisco Public Schools | SFUSD
Meta descripción San Francisco Unified School District (SFUSD) is the seventh largest school district in California, educating around 50,000 students every year. San Francisco is both a city and a county; therefore, SFUSD administers both the school district and the San Francisco County Office of Education (COE). This makes SFUSD a "single district county."
Canonical https://www.sfusd.edu/
Tecnologías Detectadas
| Tecnología | Drupal Google Analytics Google Tag Manager Nginx Node.js |
Tecnología Drupal Google Analytics Google Tag Manager Nginx Node.js
Cabeceras HTTP
| Cache-control
| max-age=900, public |
| Content-encoding
| gzip |
| Content-language
| en |
| Content-type
| text/html; charset=UTF-8 |
| Etag
| W/"1784615460" |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Last-modified
| Tue, 21 Jul 2026 06:31:00 GMT |
| Server
| nginx |
| Strict-transport-security
| max-age=31622400; includeSubDomains; preload |
| X-content-type-options
| nosniff |
| X-drupal-dynamic-cache
| HIT |
| X-frame-options
| SAMEORIGIN |
| X-generator
| Drupal 10 (https://www.drupal.org) |
| X-pantheon-styx-hostname
| styx-us-a-7ffbcf568d-59kb9 |
| X-styx-req-id
| bd910986-84cd-11f1-baf6-fe25aa90fbae |
| Date
| Tue, 21 Jul 2026 06:34:55 GMT |
| X-served-by
| cache-chi-kigq8000051-CHI, cache-par-lfpg1960094-PAR |
| X-cache
| HIT, MISS |
| X-cache-hits
| 16, 0 |
| X-timer
| S1784615695.130310,VS0,VE100 |
| Vary
| Accept-Encoding, Cookie, Cookie, Cookie |
| Age
| 234 |
| Accept-ranges
| bytes |
| Via
| 1.1 varnish, 1.1 varnish |
| Content-length
| 33164 |
Meta Tags
| Description | San Francisco Unified School District (SFUSD) is the seventh largest school district in California, educating around 50,000 students every year. San Francisco is both a city and a county; therefore, SFUSD administers both the school district and the San Francisco County Office of Education (COE). This makes SFUSD a "single district county." |
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Cache-control max-age=900, public
Content-encoding gzip
Content-language en
Content-type text/html; charset=UTF-8
Etag W/"1784615460"
Expires Sun, 19 Nov 1978 05:00:00 GMT
Last-modified Tue, 21 Jul 2026 06:31:00 GMT
Server nginx
Strict-transport-security max-age=31622400; includeSubDomains; preload
X-content-type-options nosniff
X-drupal-dynamic-cache HIT
X-frame-options SAMEORIGIN
X-generator Drupal 10 (https://www.drupal.org)
X-pantheon-styx-hostname styx-us-a-7ffbcf568d-59kb9
X-styx-req-id bd910986-84cd-11f1-baf6-fe25aa90fbae
Date Tue, 21 Jul 2026 06:34:55 GMT
X-served-by cache-chi-kigq8000051-CHI, cache-par-lfpg1960094-PAR
X-cache HIT, MISS
X-cache-hits 16, 0
X-timer S1784615695.130310,VS0,VE100
Vary Accept-Encoding, Cookie, Cookie, Cookie
Age 234
Accept-ranges bytes
Via 1.1 varnish, 1.1 varnish
Content-length 33164
