HTTP Headers Analysis for https://aboutcookies.org

Detected Technologies from Headers

See all in URL Inspect 3

ASP.NET

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=2592000

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

sameorigin

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store

Expires

Caching

-1

Pragma

Caching

no-cache

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

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: shell#lang=en; path=/; secure; SameSite=None
ASP.NET_SessionId=ny11d5oxhqmc5xc4txzmrcpj; path=/; secure; HttpOnly; SameSite=Lax
ARRAffinity=58c9a510b8796acfbe8b7061b65e8369f081906785bdfa96964558f069f8744c;Path=/;HttpOnly;Secure;Domain=www.aboutcookies.org
ARRAffinitySameSite=58c9a510b8796acfbe8b7061b65e8369f081906785bdfa96964558f069f8744c;Path=/;HttpOnly;SameSite=None;Secure;Domain=www.aboutcookies.org

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9eb659c1097705fe-IAD

Date

Other

Mon, 13 Apr 2026 00:28:27 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=ZTNUCcRZSc2MXi9efa8DZjw782ueAFVzN4c2j%2F5vVNdbtI%2FG4xg6WUO2KGjWjq1v1XbwClqvulCuAtAwGfZqncBXWwprbghTjzJvAjdLXHIqTeJTRr0Wy16o4%2FAVSD0%2BmCmMq262Zg%3D%3D

Request-Context

Other

appId=cid-v1:3bbef0f2-d954-4c10-93bd-98006daf434d

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=17,cfOrigin;dur=2512

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9eb659c1097705fe-IAD
date: Mon, 13 Apr 2026 00:28:27 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ZTNUCcRZSc2MXi9efa8DZjw782ueAFVzN4c2j%2F5vVNdbtI%2FG4xg6WUO2KGjWjq1v1XbwClqvulCuAtAwGfZqncBXWwprbghTjzJvAjdLXHIqTeJTRr0Wy16o4%2FAVSD0%2BmCmMq262Zg%3D%3D"}]}
request-context: appId=cid-v1:3bbef0f2-d954-4c10-93bd-98006daf434d
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=17,cfOrigin;dur=2512

Recommendations

Enable compression (gzip/brotli) to improve performance