Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 172.64.155.68 |
| Software del servidor | cloudflare |
| CDN | Cloudflare |
| Compresión | gzip |
|
ℹ 🔵 Falta HSTS | No se ha configurado HTTP Strict Transport Security. Recomendado para sitios HTTPS. |
|
ℹ 🔵 Falta Content Security Policy | No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido. |
|
ℹ 🔵 Falta X-Frame-Options | El sitio puede ser incrustado en iframes por terceros (riesgo de clickjacking). |
Código de estado HTTP 200
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 172.64.155.68
Software del servidor cloudflare
CDN Cloudflare
Compresión gzip
ℹ 🔵 Falta HSTS No se ha configurado HTTP Strict Transport Security. Recomendado para sitios HTTPS.
ℹ 🔵 Falta Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
ℹ 🔵 Falta X-Frame-Options El sitio puede ser incrustado en iframes por terceros (riesgo de clickjacking).
Cadena de Redirecciones
| # | URL | Código de estado HTTP | Estado |
| 1 | https://worldcat.org:443 | 301 | HTTP/2 301 |
| 2 | https://search.worldcat.org/ | 200 | HTTP/2 200 |
#1 URL https://worldcat.org:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://search.worldcat.org/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 6.5 ms |
| Conexión TCP | 8.5 ms |
| Negociación TLS | 6.6 ms |
| Tiempo hasta el primer byte (TTFB) | 146.5 ms |
| Descarga de contenido | 119.9 ms |
| Tiempo total de respuesta | 266.4 ms |
Resolución DNS 6.5 ms
Conexión TCP 8.5 ms
Negociación TLS 6.6 ms
Tiempo hasta el primer byte (TTFB) 146.5 ms
Descarga de contenido 119.9 ms
Tiempo total de respuesta 266.4 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✘ No configurado |
| CSP | ⚠ No configurado |
| X-Frame-Options | ⚠ No configurado |
| X-Content-Type-Options | ⚠ No configurado |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✘ No configurado
CSP ⚠ No configurado
X-Frame-Options ⚠ No configurado
X-Content-Type-Options ⚠ No configurado
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Meta descripción | WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you. |
| Robots Meta | NOARCHIVE |
| Título Open Graph | WorldCat.org |
| Descripción Open Graph | WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you. |
| Imagen Open Graph | https://www.datocms-assets.com/29926/1667936507-logo-worl... |
Meta descripción WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you. Robots Meta NOARCHIVE Título Open Graph WorldCat.org Descripción Open Graph WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you. Imagen Open Graph https://www.datocms-assets.com/29926/1667936507-logo-worl... Tecnologías Detectadas
| Tecnología | React Google Analytics Google Tag Manager Cloudflare Next.js |
Tecnología React Google Analytics Google Tag Manager Cloudflare Next.js
Cabeceras HTTP
| Date
| Fri, 28 Aug 2026 04:18:37 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cf-ray
| a32083587f9bd622-CDG |
| Cf-cache-status
| DYNAMIC |
| Cache-control
| s-maxage=31536000 |
| Server
| cloudflare |
| Vary
| Accept-Encoding |
| X-nextjs-cache
| HIT |
| X-powered-by
| Next.js |
| Set-cookie
| __cf_bm=awv7u27EjPdpPIBve59hp.FYeVVGSpQS7JnxK2L9iaI-1787890717.5153286-1.0.1.1-apYlbmmbqsJ5AZ0jDDGp2ZZYIZBuhQVWkwbzI2Xmd9fjg0Y3ihdAnMzNceJMEKCEc6_RMLYeytHGlRv5nuuYoBBgEx1S5wJAWgjX4uCM5O2faxrgybwM6BAZrh00oSTuy3vrtB6vYduD4UKaoozOVw; HttpOnly; SameSite=None; Secure; Path=/; Domain=worldcat.org; Expires=Fri, 28 Aug 2026 04:48:37 GMT |
| Server-timing
| cfEdge;dur=3,cfOrigin;dur=0,cfWorker;dur=123 |
| Content-encoding
| gzip |
Meta Tags
| Viewport | minimum-scale=1, initial-scale=1, width=device-width |
| Description | WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you. |
| Facebook-domain-verification | ct6p8jbb66z6nu28qz4817jrz0ed1a |
| Theme-color | #1074C3 |
| Msapplication-square70x70logo |  |
| Msapplication-square144x144logo |  |
| Msapplication-square150x150logo |  |
| Msapplication-square310x150logo |  |
| Msapplication-square310x310logo |  |
| Robots | NOARCHIVE |
Date Fri, 28 Aug 2026 04:18:37 GMT
Content-type text/html; charset=utf-8
Cf-ray a32083587f9bd622-CDG
Cf-cache-status DYNAMIC
Cache-control s-maxage=31536000
Server cloudflare
Vary Accept-Encoding
X-nextjs-cache HIT
X-powered-by Next.js
Set-cookie __cf_bm=awv7u27EjPdpPIBve59hp.FYeVVGSpQS7JnxK2L9iaI-1787890717.5153286-1.0.1.1-apYlbmmbqsJ5AZ0jDDGp2ZZYIZBuhQVWkwbzI2Xmd9fjg0Y3ihdAnMzNceJMEKCEc6_RMLYeytHGlRv5nuuYoBBgEx1S5wJAWgjX4uCM5O2faxrgybwM6BAZrh00oSTuy3vrtB6vYduD4UKaoozOVw; HttpOnly; SameSite=None; Secure; Path=/; Domain=worldcat.org; Expires=Fri, 28 Aug 2026 04:48:37 GMT
Server-timing cfEdge;dur=3,cfOrigin;dur=0,cfWorker;dur=123
Content-encoding gzip
