Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 188.114.96.2 |
| Software del servidor | cloudflare |
| CDN | Cloudflare |
| Compresión | gzip |
|
🔒 🟡 Mixed Content (2 recursos HTTP) | La página se sirve por HTTPS pero carga 2 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 188.114.96.2
Software del servidor cloudflare
CDN Cloudflare
Compresión gzip
🔒 🟡 Mixed Content (2 recursos HTTP) La página se sirve por HTTPS pero carga 2 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 | 7.3 ms |
| Conexión TCP | 8.5 ms |
| Negociación TLS | 8 ms |
| Tiempo hasta el primer byte (TTFB) | 50.9 ms |
| Descarga de contenido | 1 ms |
| Tiempo total de respuesta | 52 ms |
Resolución DNS 7.3 ms
Conexión TCP 8.5 ms
Negociación TLS 8 ms
Tiempo hasta el primer byte (TTFB) 50.9 ms
Descarga de contenido 1 ms
Tiempo total de respuesta 52 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 PHP |
Tecnología WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP
Cabeceras HTTP
| Date
| Thu, 27 Aug 2026 05:19:13 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| 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 |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| X-rq
| cdg2 0 30 9980 |
| Cache-control
| max-age=300, must-revalidate |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=lGMCeywWUQgvW9ZFfXTF5svt0WVa7PKDdEzI8e2nH0nbdwjHq9N6REgpiRQK9JdlIqQCGr%2FtwMtrf%2FMNnnqF%2BA5vJcWTpFMmZGEQJtIlCYwhYdVLsa%2F%2F4MWQDVp5sLUPeqKzAnnlOuujuEmETJCkv367yy8%3D"}]} |
| X-cache
| STALE |
| Strict-transport-security
| max-age=31536000 |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a3189ebdce613c77-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
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 | 2026-08-26T12:58:20+00:00 |
| Generator | Seriously Simple Podcasting 3.16.3 |
| Facebook-domain-verification | 5iznbqpuetsdttvleflp2ictpont6w |
| P:domain_verify | 4b808eb924267e679f961f8703b88d63 |
Date Thu, 27 Aug 2026 05:19:13 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
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
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
X-rq cdg2 0 30 9980
Cache-control max-age=300, must-revalidate
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=lGMCeywWUQgvW9ZFfXTF5svt0WVa7PKDdEzI8e2nH0nbdwjHq9N6REgpiRQK9JdlIqQCGr%2FtwMtrf%2FMNnnqF%2BA5vJcWTpFMmZGEQJtIlCYwhYdVLsa%2F%2F4MWQDVp5sLUPeqKzAnnlOuujuEmETJCkv367yy8%3D"}]}
X-cache STALE
Strict-transport-security max-age=31536000
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a3189ebdce613c77-CDG
Alt-svc h3=":443"; ma=86400