Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 150.171.110.117 |
| Compresión | gzip |
Código de estado HTTP 200
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 150.171.110.117
Compresión gzip
Cadena de Redirecciones
| # | URL | Código de estado HTTP | Estado |
| 1 | https://bl.uk:443 | 308 | HTTP/2 308 |
| 2 | https://www.bl.uk/ | 200 | HTTP/2 200 |
#1 URL https://bl.uk:443
Código de estado HTTP 308
Estado HTTP/2 308
#2 URL https://www.bl.uk/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 16.7 ms |
| Conexión TCP | 18 ms |
| Negociación TLS | 5.8 ms |
| Tiempo hasta el primer byte (TTFB) | 111 ms |
| Descarga de contenido | 27.1 ms |
| Tiempo total de respuesta | 138.1 ms |
Resolución DNS 16.7 ms
Conexión TCP 18 ms
Negociación TLS 5.8 ms
Tiempo hasta el primer byte (TTFB) 111 ms
Descarga de contenido 27.1 ms
Tiempo total de respuesta 138.1 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=63072000; includeSubDomains; preload |
| CSP | ✔ Configurado |
| X-Frame-Options | ✔ ALLOW-FROM https://sanitycms.bl.uk |
| 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=63072000; includeSubDomains; preload
CSP ✔ Configurado
X-Frame-Options ✔ ALLOW-FROM https://sanitycms.bl.uk
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 | The British Library - the national Library of the UK |
| Meta descripción | Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Join us. |
| Canonical | https://www.bl.uk |
| Robots Meta | index |
| Título Open Graph | Welcome to the British Library |
| Descripción Open Graph | We are the UK's national library. Open to everyone and free to use. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. |
| Imagen Open Graph | https://www.bl.uk/images/v5dwkion/production/5c74153cc4a1... |
| Twitter Card | summary_large_image |
| Título Twitter | Welcome to the British Library |
| Descripción Twitter | We are the UK's national library. Open to everyone and free to use. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. |
| Imagen Twitter | https://www.bl.uk/images/v5dwkion/production/5c74153cc4a1... |
Título The British Library - the national Library of the UK Meta descripción Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Join us. Canonical https://www.bl.uk Robots Meta index Título Open Graph Welcome to the British Library Descripción Open Graph We are the UK's national library. Open to everyone and free to use. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Imagen Open Graph https://www.bl.uk/images/v5dwkion/production/5c74153cc4a1... Twitter Card summary_large_image Título Twitter Welcome to the British Library Descripción Twitter We are the UK's national library. Open to everyone and free to use. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Imagen Twitter https://www.bl.uk/images/v5dwkion/production/5c74153cc4a1... Tecnologías Detectadas
| Tecnología | React Google Analytics Google Tag Manager Next.js |
Tecnología React Google Analytics Google Tag Manager Next.js
Cabeceras HTTP
| Date
| Wed, 19 Aug 2026 23:54:19 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cache-control
| private, no-cache, no-store, max-age=0, must-revalidate |
| Content-encoding
| gzip |
| Vary
| rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding |
| Strict-transport-security
| max-age=63072000; includeSubDomains; preload |
| Request-context
| appId=cid-v1: |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-content-type-options
| nosniff |
| Content-security-policy
| frame-ancestors 'self' https://sanitycms.bl.uk |
| X-frame-options
| ALLOW-FROM https://sanitycms.bl.uk |
| Permissions-policy
| fullscreen=(self), autoplay=(self) |
| Link
| ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="style", ; rel=preload; as="style", ; rel=preload; as="style" |
| X-powered-by
| Next.js |
| X-azure-ref
| 20260819T235419Z-17cd9858445rgz8nhC1PARb5ag000000398g00000000c1v3 |
| X-cache
| CONFIG_NOCACHE |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Join us. |
| Robots | index |
Date Wed, 19 Aug 2026 23:54:19 GMT
Content-type text/html; charset=utf-8
Cache-control private, no-cache, no-store, max-age=0, must-revalidate
Content-encoding gzip
Vary rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding
Strict-transport-security max-age=63072000; includeSubDomains; preload
Request-context appId=cid-v1:
Referrer-policy strict-origin-when-cross-origin
X-content-type-options nosniff
Content-security-policy frame-ancestors 'self' https://sanitycms.bl.uk
X-frame-options ALLOW-FROM https://sanitycms.bl.uk
Permissions-policy fullscreen=(self), autoplay=(self)
Link ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="style", ; rel=preload; as="style", ; rel=preload; as="style"
X-powered-by Next.js
X-azure-ref 20260819T235419Z-17cd9858445rgz8nhC1PARb5ag000000398g00000000c1v3
X-cache CONFIG_NOCACHE
