Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 18.244.28.22 |
| CDN | CDN (Miss from cloudfront) |
| Compresión | gzip |
|
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 18.244.28.22
CDN CDN (Miss from cloudfront)
Compresión gzip
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://iflscience.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.iflscience.com/ | 200 | HTTP/2 200 |
#1 URL https://iflscience.com:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://www.iflscience.com/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 29.8 ms |
| Conexión TCP | 30.9 ms |
| Negociación TLS | 7.1 ms |
| Tiempo hasta el primer byte (TTFB) | 153.2 ms |
| Descarga de contenido | 2.4 ms |
| Tiempo total de respuesta | 155.6 ms |
Resolución DNS 29.8 ms
Conexión TCP 30.9 ms
Negociación TLS 7.1 ms
Tiempo hasta el primer byte (TTFB) 153.2 ms
Descarga de contenido 2.4 ms
Tiempo total de respuesta 155.6 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| 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; includeSubDomains; preload
CSP ⚠ No configurado
X-Frame-Options ⚠ No configurado
X-Content-Type-Options ⚠ No configurado
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | The Lighter Side of Science | IFLScience |
| Meta descripción | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| Canonical | https://www.iflscience.com/ |
| Robots Meta | max-image-preview:large |
| Título Open Graph | The Lighter Side of Science | IFLScience |
| Descripción Open Graph | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| Imagen Open Graph | https://assets.iflscience.com/2.25.4/favicon/iflscience_l... |
| Twitter Card | summary_large_image |
| Título Twitter | The Lighter Side of Science | IFLScience |
| Descripción Twitter | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| Imagen Twitter | https://assets.iflscience.com/2.25.4/favicon/iflscience_l... |
Título The Lighter Side of Science | IFLScience Meta descripción We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. Canonical https://www.iflscience.com/ Robots Meta max-image-preview:large Título Open Graph The Lighter Side of Science | IFLScience Descripción Open Graph We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. Imagen Open Graph https://assets.iflscience.com/2.25.4/favicon/iflscience_l... Twitter Card summary_large_image Título Twitter The Lighter Side of Science | IFLScience Descripción Twitter We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. Imagen Twitter https://assets.iflscience.com/2.25.4/favicon/iflscience_l... Tecnologías Detectadas
| Tecnología | Google Analytics Google Tag Manager Cloudflare |
Tecnología Google Analytics Google Tag Manager Cloudflare
Cabeceras HTTP
| Content-type
| text/html; charset=utf-8 |
| Date
| Thu, 20 Aug 2026 07:02:09 GMT |
| Content-encoding
| gzip |
| Etag
| W/"28f97-qt37cD9y1BHyrKE0VHAbrbr96Rs" |
| Access-control-allow-origin
| * |
| Cache-control
| public, max-age=300, s-maxage=300, stale-while-revalidate=1800, stale-if-error=86400 |
| Vary
| Accept-Encoding |
| X-cache
| Miss from cloudfront |
| Via
| 1.1 7cf5c633a9f3ed3b98a9d37cfcd0d0c8.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P3 |
| Alt-svc
| h3=":443"; ma=86400 |
| X-amz-cf-id
| U7LfZu7HCsco_nm4ckfsBcV3XKEMwd8XccrMcQJRP4tdLUyyQLGsGw== |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
Meta Tags
| Description | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1.0 |
| Msapplication-TileColor | #da532c |
| Theme-color | #ffffff |
| Robots | max-image-preview:large |
| Ifls-version | 2.25.4 |
| Apple-mobile-web-app-status-bar-style | black |
| Apple-mobile-web-app-capable | yes |
| Fb:pages | 367116489976035 |
| Mobile-web-app-capable | yes |
| Fb:app_id | 1847617632182481 |
| Fb:use_automatic_ad_placement | enable=true |
Content-type text/html; charset=utf-8
Date Thu, 20 Aug 2026 07:02:09 GMT
Content-encoding gzip
Etag W/"28f97-qt37cD9y1BHyrKE0VHAbrbr96Rs"
Access-control-allow-origin *
Cache-control public, max-age=300, s-maxage=300, stale-while-revalidate=1800, stale-if-error=86400
Vary Accept-Encoding
X-cache Miss from cloudfront
Via 1.1 7cf5c633a9f3ed3b98a9d37cfcd0d0c8.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P3
Alt-svc h3=":443"; ma=86400
X-amz-cf-id U7LfZu7HCsco_nm4ckfsBcV3XKEMwd8XccrMcQJRP4tdLUyyQLGsGw==
Strict-transport-security max-age=31536000; includeSubDomains; preload
