Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 45.60.11.203 |
| Software del servidor | nginx |
| 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 45.60.11.203
Software del servidor nginx
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://hmhco.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.hmhco.com/ | 200 | HTTP/2 200 |
#1 URL https://hmhco.com:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://www.hmhco.com/
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 28.8 ms |
| Conexión TCP | 38.5 ms |
| Negociación TLS | 13.1 ms |
| Tiempo hasta el primer byte (TTFB) | 305.3 ms |
| Descarga de contenido | 11.4 ms |
| Tiempo total de respuesta | 316.7 ms |
Resolución DNS 28.8 ms
Conexión TCP 38.5 ms
Negociación TLS 13.1 ms
Tiempo hasta el primer byte (TTFB) 305.3 ms
Descarga de contenido 11.4 ms
Tiempo total de respuesta 316.7 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=15768000; preload |
| CSP | ⚠ No configurado |
| X-Frame-Options | ⚠ No configurado |
| X-Content-Type-Options | ⚠ No configurado |
| Política de Permisos | ✔ Configurado |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=15768000; preload
CSP ⚠ No configurado
X-Frame-Options ⚠ No configurado
X-Content-Type-Options ⚠ No configurado
Política de Permisos ✔ Configurado
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | HMH: K-12 Learning Company |
| Meta descripción | A K–12 learning company, HMH delivers integrated curriculum, assessment, and professional learning to help educators create growth for every student. |
| Canonical | https://www.hmhco.com/ |
| Robots Meta | index, follow |
| Título Open Graph | HMH: K-12 Learning Company |
| Descripción Open Graph | A K–12 learning company, HMH delivers integrated curriculum, assessment, and professional learning to help educators create growth for every student. |
| Imagen Open Graph | https://www.hmhco.com/default-seo-image.png |
| Twitter Card | summary_large_image |
| Título Twitter | HMH: K-12 Learning Company |
| Imagen Twitter | https://www.hmhco.com/default-seo-image.png |
Título HMH: K-12 Learning Company Meta descripción A K–12 learning company, HMH delivers integrated curriculum, assessment, and professional learning to help educators create growth for every student. Canonical https://www.hmhco.com/ Robots Meta index, follow Título Open Graph HMH: K-12 Learning Company Descripción Open Graph A K–12 learning company, HMH delivers integrated curriculum, assessment, and professional learning to help educators create growth for every student. Imagen Open Graph https://www.hmhco.com/default-seo-image.png Twitter Card summary_large_image Título Twitter HMH: K-12 Learning Company Imagen Twitter https://www.hmhco.com/default-seo-image.png Tecnologías Detectadas
| Tecnología | Google Analytics Google Tag Manager Nginx Node.js |
Tecnología Google Analytics Google Tag Manager Nginx Node.js
Cabeceras HTTP
| Content-type
| text/html; charset=utf-8 |
| Date
| Thu, 20 Aug 2026 01:23:05 GMT |
| Server
| nginx |
| Etag
| W/"7cd87-QuzvL1Bu6/xGOBq7zlZC50LK0xI" |
| Strict-transport-security
| max-age=15768000; preload |
| X-xss-protection
| 1; mode=block |
| Permissions-policy
| browsing-topics=() |
| Content-encoding
| gzip |
| Cache-control
| max-age=0 |
| Expires
| Thu, 20 Aug 2026 01:23:05 GMT |
| Vary
| Accept-Encoding |
| Via
| 1.1 e99cb12c78a4cb6826cc74437a0ddcba.cloudfront.net (CloudFront) |
| Set-cookie
| incap_ses_431_2120499=e8hdayzj/wA3/26lfzj7BflWhmoAAAAAK6fGQMEQkRWLOIYSSj1Ccw==; path=/; Domain=.hmhco.com |
| X-cache
| Miss from cloudfront |
| X-amz-cf-pop
| ZRH52-P1 |
| X-amz-cf-id
| 0YTVuMwvf2wIksKlg9gDBiFGDumr6k-of3fnD_TofWcfURe9xtD79w== |
| X-iinfo
| 48-15180899-15180901 NNNN CT(0 4 0) RT(1787188985398 15) q(0 0 0 0) r(2 2) U24 |
Meta Tags
| X-ua-compatible | ie=edge |
| Viewport | width=device-width,initial-scale=1 |
| Skype_toolbar | skype_toolbar_parser_compatible |
| Format-detection | telephone=yes |
| Description | A K–12 learning company, HMH delivers integrated curriculum, assessment, and professional learning to help educators create growth for every student. |
| Robots | index, follow |
Content-type text/html; charset=utf-8
Date Thu, 20 Aug 2026 01:23:05 GMT
Server nginx
Etag W/"7cd87-QuzvL1Bu6/xGOBq7zlZC50LK0xI"
Strict-transport-security max-age=15768000; preload
X-xss-protection 1; mode=block
Permissions-policy browsing-topics=()
Content-encoding gzip
Cache-control max-age=0
Expires Thu, 20 Aug 2026 01:23:05 GMT
Vary Accept-Encoding
Via 1.1 e99cb12c78a4cb6826cc74437a0ddcba.cloudfront.net (CloudFront)
Set-cookie incap_ses_431_2120499=e8hdayzj/wA3/26lfzj7BflWhmoAAAAAK6fGQMEQkRWLOIYSSj1Ccw==; path=/; Domain=.hmhco.com
X-cache Miss from cloudfront
X-amz-cf-pop ZRH52-P1
X-amz-cf-id 0YTVuMwvf2wIksKlg9gDBiFGDumr6k-of3fnD_TofWcfURe9xtD79w==
X-iinfo 48-15180899-15180901 NNNN CT(0 4 0) RT(1787188985398 15) q(0 0 0 0) r(2 2) U24
