Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 192.0.66.112 |
| Software del servidor | nginx |
| Compresión | gzip |
|
🔒 🟡 Mixed Content (4 recursos HTTP) | La página se sirve por HTTPS pero carga 4 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. |
|
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 192.0.66.112
Software del servidor nginx
Compresión gzip
🔒 🟡 Mixed Content (4 recursos HTTP) La página se sirve por HTTPS pero carga 4 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.
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://sciencefriday.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.sciencefriday.com/ | 200 | HTTP/2 200 |
#1 URL https://sciencefriday.com:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://www.sciencefriday.com/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 13.4 ms |
| Conexión TCP | 14.8 ms |
| Negociación TLS | 7.3 ms |
| Tiempo hasta el primer byte (TTFB) | 24.5 ms |
| Descarga de contenido | 1.5 ms |
| Tiempo total de respuesta | 26 ms |
Resolución DNS 13.4 ms
Conexión TCP 14.8 ms
Negociación TLS 7.3 ms
Tiempo hasta el primer byte (TTFB) 24.5 ms
Descarga de contenido 1.5 ms
Tiempo total de respuesta 26 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ No configurado |
| X-Frame-Options | ⚠ No configurado |
| X-Content-Type-Options | ⚠ No configurado |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31536000
CSP ⚠ No configurado
X-Frame-Options ⚠ No configurado
X-Content-Type-Options ⚠ No configurado
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | Science Friday |
| Meta descripción | Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff. |
| Canonical | https://www.sciencefriday.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Título Open Graph | ScienceFriday.com |
| Descripción Open Graph | Your trusted source for news and entertaining stories about science. |
| Twitter Card | summary_large_image |
| Título Twitter | ScienceFriday.com |
| Descripción Twitter | Brain fun, for curious people. |
| Imagen Twitter | http://www.sciencefriday.com/wp-content/uploads/2015/10/S... |
Título Science Friday Meta descripción Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff. Canonical https://www.sciencefriday.com/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Título Open Graph ScienceFriday.com Descripción Open Graph Your trusted source for news and entertaining stories about science. Twitter Card summary_large_image Título Twitter ScienceFriday.com Descripción Twitter Brain fun, for curious people. Imagen Twitter http://www.sciencefriday.com/wp-content/uploads/2015/10/S... Tecnologías Detectadas
| Tecnología | WordPress jQuery Google Analytics Google Tag Manager Cloudflare Nginx PHP |
Tecnología WordPress jQuery Google Analytics Google Tag Manager Cloudflare Nginx PHP
Cabeceras HTTP
| Server
| nginx |
| Date
| Thu, 23 Jul 2026 09:35:57 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding, accept, content-type |
| X-hacker
| If you're reading this, you should visit https://join.a8c.com/viphacker and apply to join the fun, mention this header. |
| X-powered-by
| WordPress VIP |
| Host-header
| a9130478a60e5f9135f765b23f26593b |
| Link
| ; rel=shortlink |
| Content-encoding
| gzip |
| X-cache
| STALE |
| Accept-ranges
| bytes |
| Cache-control
| max-age=300, must-revalidate |
| X-rq
| cdg2 0 30 9980 |
| Strict-transport-security
| max-age=31536000 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Msapplication-TileColor | #da532c |
| Msapplication-TileImage |  |
| Theme-color | #ffffff |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff. |
| Article:publisher | https://www.facebook.com/scifri |
| Article:modified_time | 2026-07-22T13:24:55+00:00 |
| Generator | Seriously Simple Podcasting 3.16.3 |
| Facebook-domain-verification | 5iznbqpuetsdttvleflp2ictpont6w |
| P:domain_verify | 4b808eb924267e679f961f8703b88d63 |
Server nginx
Date Thu, 23 Jul 2026 09:35:57 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding, accept, content-type
X-hacker If you're reading this, you should visit https://join.a8c.com/viphacker and apply to join the fun, mention this header.
X-powered-by WordPress VIP
Host-header a9130478a60e5f9135f765b23f26593b
Link ; rel=shortlink
Content-encoding gzip
X-cache STALE
Accept-ranges bytes
Cache-control max-age=300, must-revalidate
X-rq cdg2 0 30 9980
Strict-transport-security max-age=31536000
