HTTP Headers Analysis for https://api.notion.com

Detected Technologies from Headers

See all in URL Inspect 69

TailorHQ

AWS CloudFront

YouTube

Google AdSense

Chili Piper

Google Maps

Google Tag Manager

Box

Forethought

Google Sign-In

Cal.com

Amplitude

AppNexus (Xandr)

PartnerStack

Mux

hCaptcha

Yahoo

Tapad

Podscribe

Google DoubleClick

Google Analytics

Microsoft Advertising

Google Conversion Tracking

Notion

ClearBit

Sprig

Bynder Active incidents

Cloudflare CDN

Greenhouse

Typeform

Google Cloud Storage

GIPHY

Google Static File Front End

Metadata.io

Next.js

Unsplash

Google API JS Client

TikTok Analytics

Google Fonts

Twitter

Transcend

Hotjar

Zendesk

Contentful

Cloudflare Turnstile

Stripe

unpkg

Google Search

Adobe Marketo

Embedly Active incidents

Facebook

Decagon

Sierra

Splunk

GitHub Active incidents

Customer.io

Cloudflare CDNJS

AWS

Versatiles

Phrase

Vercel

Vimeo

Statsig

Vector

Sentry

jsDelivr

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

script-src; connect-src; font-src; +7 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

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
• Add X-Content-Type-Options: nosniff
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

X-Device-Class, accept-encoding

connection: close
transfer-encoding: chunked
vary: X-Device-Class, accept-encoding

Caching Headers

Age

Caching

0

Cache-Control

Caching

public, max-age=0

age: 0
cache-control: public, max-age=0

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-Powered-By

Server

Next.js

server: cloudflare
x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: notion_browser_id=f1bff440-f145-46d7-9c43-3814ece79dc4; Path=/; Expires=Thu, 29 Apr 2027 23:55:21 GMT; Domain=.www.notion.com
notion_check_cookie_consent=false; Path=/; Expires=Thu, 30 Apr 2026 23:55:21 GMT; Domain=.www.notion.com
__cf_bm=yLSYkSGlZt3OkO5CunW9HnDmLwIPmfwk32hO909D6o4-1777506921.0259485-1.0.1.1-DSUjhllvY9GBP5PDRYCiKKTyMO8cXrGlksLG72pHgkjAyVFgbwVQJaxwuUoPA3CDCgx5SJAIQN.NKPv7.hqznmaYNoXTrJeQtBjdqVm6GRRG4ORdMIxkCyiCqskQqn53; HttpOnly; Secure; Path=/; Domain=notion.com; Expires=Thu, 30 Apr 2026 00:25:21 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f423cb06ca68651-IAD

Date

Other

Wed, 29 Apr 2026 23:55:21 GMT

X-Device-Class

Other

mac

X-Matched-Path

Other

/en-us/product

X-Notion-Global-Experiments

Other

X-Vercel-Cache

Other

MISS

X-Vercel-Id

Other

iad1::pdx1::vvm44-1777506921032-6bf919877213

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f423cb06ca68651-IAD
date: Wed, 29 Apr 2026 23:55:21 GMT
x-device-class: mac
x-matched-path: /en-us/product
x-notion-global-experiments: 
x-vercel-cache: MISS
x-vercel-id: iad1::pdx1::vvm44-1777506921032-6bf919877213

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology