Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 104.17.58.189 |
| 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 Content Security Policy | No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido. |
Código de estado HTTP 200
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 104.17.58.189
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 Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
Cadena de Redirecciones
| # | URL | Código de estado HTTP | Estado |
| 1 | https://nationalgridus.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.nationalgridus.com/ | 302 | HTTP/1.1 302 Found |
| 3 | https://www.nationalgridus.com/Default.aspx | 200 | HTTP/1.1 200 OK |
#1 URL https://nationalgridus.com:443
Código de estado HTTP 301
Estado HTTP/1.1 301 Moved Permanently
#2 URL https://www.nationalgridus.com/
Código de estado HTTP 302
Estado HTTP/1.1 302 Found
#3 URL https://www.nationalgridus.com/Default.aspx
Código de estado HTTP 200
Estado HTTP/1.1 200 OK
Rendimiento
| Resolución DNS | 0.6 ms |
| Conexión TCP | 2.5 ms |
| Negociación TLS | 7.7 ms |
| Tiempo hasta el primer byte (TTFB) | 193 ms |
| Descarga de contenido | 9.5 ms |
| Tiempo total de respuesta | 202.5 ms |
Resolución DNS 0.6 ms
Conexión TCP 2.5 ms
Negociación TLS 7.7 ms
Tiempo hasta el primer byte (TTFB) 193 ms
Descarga de contenido 9.5 ms
Tiempo total de respuesta 202.5 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31536000
CSP ⚠ No configurado
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | Natural Gas & Electricity | National Grid |
| Meta descripción | Welcome to National Grid, providing New York and Massachusetts with natural gas and electricity for homes and businesses. |
Título Natural Gas & Electricity | National Grid
Meta descripción Welcome to National Grid, providing New York and Massachusetts with natural gas and electricity for homes and businesses.
Tecnologías Detectadas
| Tecnología | Google Analytics Google Tag Manager Cloudflare |
Tecnología Google Analytics Google Tag Manager Cloudflare
Cabeceras HTTP
| Date
| Wed, 26 Aug 2026 15:53:37 GMT |
| Content-Type
| text/html; charset=utf-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Cache-Control
| private |
| Cf-cache-status
| DYNAMIC |
| Expect-CT
| enforce, max-age=300 |
| Server
| cloudflare |
| Strict-Transport-Security
| max-age=31536000 |
| Vary
| Accept-Encoding |
| WWW-Authenticate
| Basic realm="National Grid" |
| X-AspNet-Version
| 4.0.30319 |
| X-Content-Security-Policy
| default-src *; style-src 'self'* .addthis.com *.nationalgridus.com* .cloudflare.com *.olark.com* .gstatic.com *.googleapis.com; script-src 'self'* .speedpay.com *.google.com* .gstatic.com *.olark.com* .googleapis.com *.gstatic.com* .crazyegg.com *.google-analytics.com* .googletagmanager.com *.feedbackify.com* .nationalgridus.com; img-src *; font-src* ; connect-src *; |
| X-Content-Type-Options
| nosniff |
| X-Frame-Options
| SAMEORIGIN |
| X-XSS-Protection
| 1; mode=block |
| Set-cookie
| __cf_bm=W8PscenaPGIZ6cjMkz8WAc1NHeUb1vYBujwVWvC1Xog-1787759617.479745-1.0.1.1-0lYO4K3fb1sAysAsf6h2JyuLsrx3cJ5LL_XlNOJCZj9RAVIGk3B_tUSO4kYDfvMxf9FvLRVDqJq5SHxGvcQDwtjJmPmAofn4KT4VsX.L8iuNPS_VQE_.lTy.JRi9JMml; HttpOnly; SameSite=None; Secure; Path=/; Domain=nationalgridus.com; Expires=Wed, 26 Aug 2026 16:23:37 GMT |
| Content-Encoding
| gzip |
| CF-RAY
| a31402a93a72a876-CDG |
Meta Tags
| X-ua-compatible | ie=edge |
| Viewport | width=device-width, initial-scale=1 |
| Content-type | text/html; charset=utf-8 |
| SKYPE_TOOLBAR | SKYPE_TOOLBAR_PARSER_COMPATIBLE |
| Facebook-domain-verification | hj5x90ba6pui1nmo2bzo02nuan19gq |
| Apple-mobile-web-app-title | National Grid |
| Application-name | National Grid |
| Msapplication-TileColor | #00148c |
| Theme-color | #00148c |
| Title | Neutral Homepage |
| Description | Welcome to National Grid, providing New York and Massachusetts with natural gas and electricity for homes and businesses. |
| Keywords | National Grid, natural gas, electricity, gas, electric, New York, Massachusetts, Long Island, NYC, Upstate New York |
Date Wed, 26 Aug 2026 15:53:37 GMT
Content-Type text/html; charset=utf-8
Transfer-Encoding chunked
Connection keep-alive
Cache-Control private
Cf-cache-status DYNAMIC
Expect-CT enforce, max-age=300
Server cloudflare
Strict-Transport-Security max-age=31536000
Vary Accept-Encoding
WWW-Authenticate Basic realm="National Grid"
X-AspNet-Version 4.0.30319
X-Content-Security-Policy default-src *; style-src 'self'* .addthis.com *.nationalgridus.com* .cloudflare.com *.olark.com* .gstatic.com *.googleapis.com; script-src 'self'* .speedpay.com *.google.com* .gstatic.com *.olark.com* .googleapis.com *.gstatic.com* .crazyegg.com *.google-analytics.com* .googletagmanager.com *.feedbackify.com* .nationalgridus.com; img-src *; font-src* ; connect-src *;
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-XSS-Protection 1; mode=block
Set-cookie __cf_bm=W8PscenaPGIZ6cjMkz8WAc1NHeUb1vYBujwVWvC1Xog-1787759617.479745-1.0.1.1-0lYO4K3fb1sAysAsf6h2JyuLsrx3cJ5LL_XlNOJCZj9RAVIGk3B_tUSO4kYDfvMxf9FvLRVDqJq5SHxGvcQDwtjJmPmAofn4KT4VsX.L8iuNPS_VQE_.lTy.JRi9JMml; HttpOnly; SameSite=None; Secure; Path=/; Domain=nationalgridus.com; Expires=Wed, 26 Aug 2026 16:23:37 GMT
Content-Encoding gzip
CF-RAY a31402a93a72a876-CDG
