Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 104.17.248.120 |
| Software del servidor | cloudflare |
| CDN | Cloudflare |
| Compresión | gzip |
|
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 104.17.248.120
Software del servidor cloudflare
CDN Cloudflare
Compresión gzip
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://javascript.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.javascript.com | 200 | HTTP/2 200 |
#1 URL https://javascript.com:443
Código de estado HTTP 301
Estado HTTP/2 301
#2 URL https://www.javascript.com
Código de estado HTTP 200
Estado HTTP/2 200
Rendimiento
| Resolución DNS | 8.2 ms |
| Conexión TCP | 10.6 ms |
| Negociación TLS | 7.5 ms |
| Tiempo hasta el primer byte (TTFB) | 201.1 ms |
| Descarga de contenido | 0.5 ms |
| Tiempo total de respuesta | 201.6 ms |
Resolución DNS 8.2 ms
Conexión TCP 10.6 ms
Negociación TLS 7.5 ms
Tiempo hasta el primer byte (TTFB) 201.1 ms
Descarga de contenido 0.5 ms
Tiempo total de respuesta 201.6 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ✔ Configurado |
| X-Frame-Options | ⚠ No configurado |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ✔ Configurado
X-Frame-Options ⚠ No configurado
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | Learn JavaScript Online - Courses for Beginners - javascript.com |
| Meta descripción | JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. |
| Canonical | https://www.javascript.com/ |
| Robots Meta | index, follow |
| Título Open Graph | Learn JavaScript Online - Courses for Beginners - javascript.com |
| Descripción Open Graph | JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. |
| Imagen Open Graph | https://www.pluralsight.com/content/dam/aem-icons/javascr... |
| Twitter Card | summary_large_image |
| Título Twitter | Learn JavaScript Online - Courses for Beginners - javascript.com |
| Descripción Twitter | JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. |
| Imagen Twitter | https://www.pluralsight.com/content/dam/aem-icons/javascr... |
Título Learn JavaScript Online - Courses for Beginners - javascript.com Meta descripción JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. Canonical https://www.javascript.com/ Robots Meta index, follow Título Open Graph Learn JavaScript Online - Courses for Beginners - javascript.com Descripción Open Graph JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. Imagen Open Graph https://www.pluralsight.com/content/dam/aem-icons/javascr... Twitter Card summary_large_image Título Twitter Learn JavaScript Online - Courses for Beginners - javascript.com Descripción Twitter JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. Imagen Twitter https://www.pluralsight.com/content/dam/aem-icons/javascr... Tecnologías Detectadas
| Tecnología | jQuery Google Analytics Cloudflare |
Tecnología jQuery Google Analytics Cloudflare
Cabeceras HTTP
| Date
| Thu, 20 Aug 2026 05:17:11 GMT |
| Content-type
| text/html;charset=utf-8 |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Content-security-policy
| frame-ancestors 'self' pluralsight.com pluralsight.highspot.com; |
| X-xss-protection
| 1 |
| Cache-control
| max-age=300,stale-while-revalidate=900,stale-if-error=259200 |
| Last-modified
| Thu, 20 Aug 2026 05:01:02 GMT |
| Cf-cache-status
| DYNAMIC |
| Expires
| Thu, 20 Aug 2026 06:17:11 GMT |
| X-vhost
| javascript |
| Set-cookie
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| Age
| 0 |
| X-content-type-options
| nosniff |
| X-served-by
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| X-cache
| MISS |
| X-timer
| S1787203032.514319,VS0,VS0,VE139 |
| Vary
| Accept-Encoding |
| Content-encoding
| gzip |
| Server
| cloudflare |
| Cf-ray
| a2deee22cde39a9e-CDG |
Meta Tags
| Content-page-ref | GySW2M32-dQWDo-qCDfU4DFjfv_dx8H0LUekFqN6OhY5yDco87iKL1in2ZagKdmV |
| Content-type | Other |
| X-UA-Compatible | IE=edge,chrome=1 |
| Description | JavaScript.com is a resource for the JavaScript community. You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine. |
| Robots | index, follow |
| Categories | generic |
| Cludo:category | generic |
| FeatureFlags | consentautoprompt|munchkin|b2c_cart|b2b_cart|unified|verbosesearch |
| Theme-color | #ffffff |
| Facebook-domain-verfication | pdyvbn6upvb694o9lvqr0313g2rvcg |
| Google-site-verification | hZ2BPgOWnbcwhl1GR6XTGqE6_yXppDy0OGiA2XFfvwU |
| Cludo:content-path | /content/pluralsight/jscom |
Date Thu, 20 Aug 2026 05:17:11 GMT
Content-type text/html;charset=utf-8
Strict-transport-security max-age=31536000; includeSubDomains; preload
Content-security-policy frame-ancestors 'self' pluralsight.com pluralsight.highspot.com;
X-xss-protection 1
Cache-control max-age=300,stale-while-revalidate=900,stale-if-error=259200
Last-modified Thu, 20 Aug 2026 05:01:02 GMT
Cf-cache-status DYNAMIC
Expires Thu, 20 Aug 2026 06:17:11 GMT
X-vhost javascript
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Age 0
X-content-type-options nosniff
X-served-by cache-lcy-eglc8600027-LCY
X-cache MISS
X-timer S1787203032.514319,VS0,VS0,VE139
Vary Accept-Encoding
Content-encoding gzip
Server cloudflare
Cf-ray a2deee22cde39a9e-CDG
