HTTP Headers Analysis for https://nationalgrid.happyfox.com

Detected Technologies from Headers

See all in URL Inspect 5

Azure Application Proxy

AzureFrontDoor

Bing

Microsoft 365

Microsoft Azure

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Basic

object-src; base-uri; script-src; +1 more Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

Cache-Control

Caching

no-store, no-cache

Expires

Caching

-1

Pragma

Caching

no-cache

cache-control: no-store, no-cache
expires: -1
pragma: no-cache

Content Headers

Content-Length

Content

42949

Content-Type

Content

text/html; charset=utf-8

content-length: 42949
content-type: text/html; charset=utf-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: buid=1.AQ0AU2qK-fMlEkKQHMd4f800lURc_Ux-nLpIsiQnWArmfM8AAAANAA.AQABGgEAAACvnsHKEvvRQb3Bz3Qc7wnaRXZvU3RzQXJ0aWZhY3RzAwAAAAAAiCXMEhn_JFnJKlAlHfEbpZY3XtGJyf3L8cfhaSlu0umD_oNEZxrcACZaFtcsn7KP5oCGEe-QlHbAKJmUB0e2SWSoStAHNo0tWyDO_HnwxYsgAA; expires=Wed, 27-May-2026 14:42:19 GMT; path=/; secure; HttpOnly; SameSite=None
esctx=PAQABBwEAAACvnsHKEvvRQb3Bz3Qc7wnaRXZvU3RzQXJ0aWZhY3RzDQAAAAAAQgCsxMvQSgRqbwLc4iiCaY_IUI1xjXNujnkKStIQlCuECTCw8O0FKy8MrGhJMEERjqkAo93FUGvm4Jde0S_xRyn9mpx-_OrmaDynZV1UvIhMCagNIf1r8_0fuAmSGVsKjp74AKoR82pMsi5UxwH_HLdel1dhJiO7_bLRiQEBqGUgAA; domain=.login.microsoftonline.com; path=/; secure; HttpOnly; SameSite=None
esctx-luRFi0cpbo=AQABCQEAAACvnsHKEvvRQb3Bz3Qc7wnaRXZvU3RzQXJ0aWZhY3RzDQAAAAAADUGsjdZRUXeC_EMCJCFr4MC4xK8_3vqgNNyIZ_IpfLlpEDaElUT5jW3AhICUygP1qiQz_cN6VOCRnsRXGMC4EGxWHqJGmwOIVS7dWNltDl1aIoQ3cp5wWMW9BRXQlNSJXby4BYPbl5oXCRMk6Us60iAA; domain=.login.microsoftonline.com; path=/; secure; HttpOnly; SameSite=None
fpc=Ak0tQin5ZtFOq-Q38_4xwvrhhNC1AQAAAMtsgeEOAAAA; expires=Wed, 27-May-2026 14:42:19 GMT; path=/; secure; HttpOnly; SameSite=None
x-ms-gateway-slice=estsfd; path=/; secure; samesite=none; httponly
stsservicecookie=estsfd; path=/; secure; samesite=none; httponly

Other Headers

Cross-Origin-Opener-Policy-Report-Only

Other

same-origin; report-to="coop-endpoint"

Date

Other

Mon, 27 Apr 2026 14:42:19 GMT

Link

Other

URL https://aadcdn.msftauth.net

rel=preconnect crossorigin

URL https://aadcdn.msftauth.net

rel=preconnect crossorigin

URL https://aadcdn.msftauth.net

rel=dns-prefetch

URL https://aadcdn.msftauth.net

rel=preconnect crossorigin

P3p

Other

CP="DSP CUR OTPi IND OTRi ONL FIN"

Reporting-Endpoints

Other

coop-endpoint="https://coop.msauth.net:443/api/coopReport?client_type=web-none&client_id=4cfd5c44-9c7e-48ba-b224-27580ae67ccf&correlation_id=0c1fb4e3-f02c-436f-b666-824514934cc3"

X-Dns-Prefetch-Control

Other

on

X-Ms-Ests-Server

Other

2.1.23990.4 - SCUS ProdSlices

X-Ms-Request-Id

Other

6c796a30-7e97-4cbd-9e55-62fdb1c00400

X-Ms-Srs

Other

1.P

cross-origin-opener-policy-report-only: same-origin; report-to="coop-endpoint"
date: Mon, 27 Apr 2026 14:42:19 GMT
link: <https://aadcdn.msftauth.net>; rel=preconnect; crossorigin, <https://aadcdn.msftauth.net>; rel=preconnect; crossorigin,<https://aadcdn.msftauth.net>; rel=dns-prefetch, <https://aadcdn.msftauth.net>; rel=preconnect; crossorigin,<https://aadcdn.msftauth.net>; rel=dns-prefetch,<https://aadcdn.msauth.net>; rel=dns-prefetch
p3p: CP="DSP CUR OTPi IND OTRi ONL FIN"
reporting-endpoints: coop-endpoint="https://coop.msauth.net:443/api/coopReport?client_type=web-none&client_id=4cfd5c44-9c7e-48ba-b224-27580ae67ccf&correlation_id=0c1fb4e3-f02c-436f-b666-824514934cc3"
x-dns-prefetch-control: on
x-ms-ests-server: 2.1.23990.4 - SCUS ProdSlices
x-ms-request-id: 6c796a30-7e97-4cbd-9e55-62fdb1c00400
x-ms-srs: 1.P

Recommendations

Enable compression (gzip/brotli) to improve performance