Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 172.67.190.70 |
| Software del servidor | cloudflare |
| CDN | Cloudflare |
| Compresión | gzip |
|
🔒 🟡 Mixed Content (1 recursos HTTP) | La página se sirve por HTTPS pero carga 1 recurso(s) por HTTP. Esto puede bloquearse en navegadores modernos. |
|
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 172.67.190.70
Software del servidor cloudflare
CDN Cloudflare
Compresión gzip
🔒 🟡 Mixed Content (1 recursos HTTP) La página se sirve por HTTPS pero carga 1 recurso(s) por HTTP. Esto puede bloquearse en navegadores modernos.
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).
Rendimiento
| Resolución DNS | 22.9 ms |
| Conexión TCP | 24.8 ms |
| Negociación TLS | 9.2 ms |
| Tiempo hasta el primer byte (TTFB) | 458.4 ms |
| Descarga de contenido | 74.8 ms |
| Tiempo total de respuesta | 533.2 ms |
Resolución DNS 22.9 ms
Conexión TCP 24.8 ms
Negociación TLS 9.2 ms
Tiempo hasta el primer byte (TTFB) 458.4 ms
Descarga de contenido 74.8 ms
Tiempo total de respuesta 533.2 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
| Título | Prevent Blindness: Eye Health Resources and Advocacy |
| Meta descripción | Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. |
| Canonical | https://preventblindness.org/ |
| Robots Meta | follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large |
| Título Open Graph | Prevent Blindness: Eye Health Resources and Advocacy |
| Descripción Open Graph | Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. |
| Imagen Open Graph | https://preventblindness.org/wp-content/uploads/2021/03/d... |
| Twitter Card | summary_large_image |
| Título Twitter | Prevent Blindness: Eye Health Resources and Advocacy |
| Descripción Twitter | Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. |
| Imagen Twitter | https://preventblindness.org/wp-content/uploads/2021/03/d... |
Título Prevent Blindness: Eye Health Resources and Advocacy Meta descripción Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. Canonical https://preventblindness.org/ Robots Meta follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large Título Open Graph Prevent Blindness: Eye Health Resources and Advocacy Descripción Open Graph Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. Imagen Open Graph https://preventblindness.org/wp-content/uploads/2021/03/d... Twitter Card summary_large_image Título Twitter Prevent Blindness: Eye Health Resources and Advocacy Descripción Twitter Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. Imagen Twitter https://preventblindness.org/wp-content/uploads/2021/03/d... Tecnologías Detectadas
| Tecnología | WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP Hotjar |
Tecnología WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP Hotjar
Cabeceras HTTP
| Date
| Wed, 26 Aug 2026 11:08:35 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Last-modified
| Wed, 26 Aug 2026 11:04:53 GMT |
| Cache-control
| max-age=0 |
| Expires
| Wed, 26 Aug 2026 11:08:34 GMT |
| Vary
| Accept-Encoding,User-Agent |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| X-proxy-cache
| MISS |
| Cf-cache-status
| DYNAMIC |
| Speculation-rules
| "/cdn-cgi/speculation" |
| Server-timing
| cfEdge;dur=8,cfOrigin;dur=326 |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=AJ%2BSgkcJygiWvKmVXoyhU%2BfLVBNNz5fQe1n1IrlayRcGBsBYfy9jkSs8JiGYzBHrcv1USH6O1UoGOR%2Bp%2Fqw6RgbnvwHCT9Uj4nOYvMFx1cYl8PCXvdQuFMzqT%2FMkEwQbPGaoohteW03lpjpsj5cQ%2Bxs%2FBw%3D%3D"}]} |
| Content-encoding
| gzip |
| Cf-ray
| a312611cd9447e9b-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Msapplication-TileColor | #da532c |
| Msapplication-config | https://preventblindness.org/wp-content/uploads/fbrfg/browserconfig.xml |
| Description | Discover eye health resources from Prevent Blindness. Learn about vision diseases, safety tips, and ways to support our mission to save sight. |
| Robots | follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large |
| Article:published_time | 2020-04-20T13:12:35-05:00 |
| Article:modified_time | 2026-08-11T17:10:00-05:00 |
| Tec-api-version | v1 |
| Tec-api-origin | https://preventblindness.org |
| Generator | Powered by WPBakery Page Builder - drag and drop page builder for WordPress. |
Date Wed, 26 Aug 2026 11:08:35 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Last-modified Wed, 26 Aug 2026 11:04:53 GMT
Cache-control max-age=0
Expires Wed, 26 Aug 2026 11:08:34 GMT
Vary Accept-Encoding,User-Agent
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
X-proxy-cache MISS
Cf-cache-status DYNAMIC
Speculation-rules "/cdn-cgi/speculation"
Server-timing cfEdge;dur=8,cfOrigin;dur=326
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=AJ%2BSgkcJygiWvKmVXoyhU%2BfLVBNNz5fQe1n1IrlayRcGBsBYfy9jkSs8JiGYzBHrcv1USH6O1UoGOR%2Bp%2Fqw6RgbnvwHCT9Uj4nOYvMFx1cYl8PCXvdQuFMzqT%2FMkEwQbPGaoohteW03lpjpsj5cQ%2Bxs%2FBw%3D%3D"}]}
Content-encoding gzip
Cf-ray a312611cd9447e9b-CDG
Alt-svc h3=":443"; ma=86400
