HTTP Headers Analysis for https://sierra.chat

Open Cached · just now

22 Headers

Detected Technologies from Headers

See all in URL Inspect 27

Microsoft Advertising

Google Analytics

Google Conversion Tracking

Google DoubleClick

Google Tag Manager

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

base-uri; default-src; script-src; +12 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, accept-encoding

connection: close
transfer-encoding: chunked
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, accept-encoding

Caching Headers

Age

Caching

0

Cache-Control

Caching

private, no-cache, no-store, max-age=0, must-revalidate

age: 0
cache-control: private, no-cache, no-store, max-age=0, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: sai_country=en; Path=/; Secure; SameSite=lax
sai_show_locale_prompt=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT
sai_country=en; Path=/; Secure; SameSite=lax
sai_show_locale_prompt=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT
__cf_bm=moyCaDLXmMJCUp43MVyyoCzrtnU.BtvXjkURri8zUu0-1774107538.9252617-1.0.1.1-2EofoNif5z52RZgihWsDOr9lli6ReR0WIIWOEMz3rSJ3ce4h8ny8oRbEsYSG4gRIoo0QXuT.XvxMld7OEN9MytXRxT1JLkhRMw.jPLncqQKusrPnGR0IAFW3z0nNfeTi; HttpOnly; Secure; Path=/; Domain=sierra.ai; Expires=Sat, 21 Mar 2026 16:08:59 GMT

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9dfe0bf64b57c56b-IAD

Date

Other

Sat, 21 Mar 2026 15:38:59 GMT

Link

Other

URL

/_next/static/media/GT_America_Mono_Medium-s.p.f79ebc89.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Mono_Regular-s.p.f74085ef.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Standard_Medium-s.p.1b0c87ee.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Standard_Medium_Italic-s.p.df644c74.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Mono_Medium-s.p.f79ebc89.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Mono_Regular-s.p.f74085ef.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Standard_Medium-s.p.1b0c87ee.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Standard_Medium_Italic-s.p.df644c74.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Standard_Regular-s.p.83c752e8.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/media/GT_America_Standard_Regular_Italic-s.p.43ed5e54.woff2

rel=preload as=font crossorigin nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3 type=font/woff2

URL

/_next/static/chunks/3532cae111e723c9.css

rel=preload as=style nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3

URL

/_next/static/chunks/bd8ba9abe9e3c20a.css

rel=preload as=style nonce=dfac24de-11b0-4610-bde4-0f6b650eafe3

Report-To

Other

Group csp-endpoint max-age: 18w

Endpoint 1 https://o4506380089556992.ingest.us.sentry.io/api/4506657267712000/security/?sentry_key=4b9d4b638fad9797bc5ed200f991b21b

X-Dns-Prefetch-Control

Other

on

X-Matched-Path

Other

/[lang]

X-Nonce

Other

dfac24de-11b0-4610-bde4-0f6b650eafe3

X-Vercel-Cache

Other

MISS

X-Vercel-Id

Other

iad1::iad1::tr7dl-1774107538941-8ab2e38768e5

cf-cache-status: DYNAMIC
cf-ray: 9dfe0bf64b57c56b-IAD
date: Sat, 21 Mar 2026 15:38:59 GMT
link: </_next/static/media/GT_America_Mono_Medium-s.p.f79ebc89.woff2>; rel=preload; as="font"; crossorigin=""; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"; type="font/woff2", </_next/static/media/GT_America_Mono_Regular-s.p.f74085ef.woff2>; rel=preload; as="font"; crossorigin=""; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"; type="font/woff2", </_next/static/media/GT_America_Standard_Medium-s.p.1b0c87ee.woff2>; rel=preload; as="font"; crossorigin=""; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"; type="font/woff2", </_next/static/media/GT_America_Standard_Medium_Italic-s.p.df644c74.woff2>; rel=preload; as="font"; crossorigin=""; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"; type="font/woff2", </_next/static/media/GT_America_Standard_Regular-s.p.83c752e8.woff2>; rel=preload; as="font"; crossorigin=""; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"; type="font/woff2", </_next/static/media/GT_America_Standard_Regular_Italic-s.p.43ed5e54.woff2>; rel=preload; as="font"; crossorigin=""; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"; type="font/woff2", </_next/static/chunks/3532cae111e723c9.css>; rel=preload; as="style"; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3", </_next/static/chunks/bd8ba9abe9e3c20a.css>; rel=preload; as="style"; nonce="dfac24de-11b0-4610-bde4-0f6b650eafe3"
report-to: {"group":"csp-endpoint","max_age":10886400,"endpoints":[{"url":"https://o4506380089556992.ingest.us.sentry.io/api/4506657267712000/security/?sentry_key=4b9d4b638fad9797bc5ed200f991b21b"}],"include_subdomains":true}
x-dns-prefetch-control: on
x-matched-path: /[lang]
x-nonce: dfac24de-11b0-4610-bde4-0f6b650eafe3
x-vercel-cache: MISS
x-vercel-id: iad1::iad1::tr7dl-1774107538941-8ab2e38768e5

Recommendations

Enable compression (gzip/brotli) to improve performance