HTTP Headers Analysis for https://firstduehelp.zendesk.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

Envoy

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=259200; includeSubDomains

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

Missing

Not configured

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 X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

max-age=0, public

cache-control: max-age=0, public

Content Headers

Content-Language

Content

en-us

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Runtime

Server

0.270124

server: cloudflare
x-runtime: 0.270124

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=WKX1J35fuTdMx9On2iPuEBQNaEE..z0FAYZ0TX7tJJQ-1775949789-1.0.1.1-FnXvT9d59gb.XuUQUYQhe2FuZvxQHRWZ1Jwl1Af9diAbfRj33xk1L5xovEtD9jiYhmShzJ3PQU5v.kDR5VNzzIHVgcPP846bEj0k1aWKnv8; path=/; expires=Sat, 11-Apr-26 23:53:09 GMT; domain=.support.firstduesizeup.com; HttpOnly; Secure; SameSite=None
_cfuvid=NQDZED_5RezAgMbdO2kLf5PYRGEPeQ8ATGa_nnXQPk4-1775949789545-0.0.1.1-604800000; path=/; domain=.support.firstduesizeup.com; HttpOnly; Secure; SameSite=None

Other Headers

Cf-Cache-Status

Other

REVALIDATED

Cf-Ray

Other

9eadbcc7de7ad637-IAD

Date

Other

Sat, 11 Apr 2026 23:23:09 GMT

Nel

Other

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

success: 1.0%

Protocol

Other

HTTP/1.1 always

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=U6EcIQRdyZYlXRm8gBmnwHVPir2qjSFffNwAkB9L18JxHp%2B%2FgNnw4CVavG6rQhY78pWmdWxvJkOHncrYFxv7KuGcm9L9%2FDHbPsB%2BMXFx19OltTztSZPBxU5TjI%2FphtTYHj88nt4G4bz%2FW%2FId

Via

Other

zorg

X-Envoy-Decorator-Operation

Other

/hc

X-Envoy-Upstream-Service-Time

Other

274

X-Request-Id

Other

9ea9e0eb6201b33f-ATL

X-Ua-Compatible

Other

IE=edge

X-Zendesk-Origin-Server

Other

app-server-5bd97fdd4c-7zv95

X-Zendesk-Zorg

Other

yes

Zendesk-Service

Other

help-center

cf-cache-status: REVALIDATED
cf-ray: 9eadbcc7de7ad637-IAD
date: Sat, 11 Apr 2026 23:23:09 GMT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
protocol: HTTP/1.1 always
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=U6EcIQRdyZYlXRm8gBmnwHVPir2qjSFffNwAkB9L18JxHp%2B%2FgNnw4CVavG6rQhY78pWmdWxvJkOHncrYFxv7KuGcm9L9%2FDHbPsB%2BMXFx19OltTztSZPBxU5TjI%2FphtTYHj88nt4G4bz%2FW%2FId"}],"group":"cf-nel","max_age":604800}
via: zorg
x-envoy-decorator-operation: /hc
x-envoy-upstream-service-time: 274
x-request-id: 9ea9e0eb6201b33f-ATL
x-ua-compatible: IE=edge
x-zendesk-origin-server: app-server-5bd97fdd4c-7zv95
x-zendesk-zorg: yes
zendesk-service: help-center

Recommendations

Enable compression (gzip/brotli) to improve performance