HTTP Headers Analysis for https://contentful.com

Detected Technologies from Headers

See all in URL Inspect 3

Contentful

Next.js

Vercel

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=63072000

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Present

allow-from https://app.contentful.com

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

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
• 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

connection: close
transfer-encoding: chunked
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch

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

Vercel

X-Powered-By

Server

Next.js

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

CORS Headers

Access-Control-Allow-Methods

Cors

GET,OPTIONS,PATCH,DELETE,POST,PUT

Access-Control-Allow-Origin

Cors

*

access-control-allow-methods: GET,OPTIONS,PATCH,DELETE,POST,PUT
access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Mon, 13 Apr 2026 16:30:37 GMT

Link

Other

URL

/_next/static/media/150e0b3b650ea6d7-s.p.woff

rel=preload as=font crossorigin type=font/woff

URL

/_next/static/media/9fab8fbc3a7e1940-s.p.woff

rel=preload as=font crossorigin type=font/woff

URL

/_next/static/css/68f8f87bc20a5022.css

rel=preload as=style

URL

/_next/static/css/b5050e98ad3eccaa.css

rel=preload as=style

URL

/_next/static/media/150e0b3b650ea6d7-s.p.woff

rel=preload as=font crossorigin type=font/woff

URL

/_next/static/media/9fab8fbc3a7e1940-s.p.woff

rel=preload as=font crossorigin type=font/woff

URL

/_next/static/css/68f8f87bc20a5022.css

rel=preload as=style

URL

/_next/static/css/b5050e98ad3eccaa.css

rel=preload as=style

URL

/_next/static/css/00ab06894772e143.css

rel=preload as=style

URL

/_next/static/css/7f6f98f2964b55a4.css

rel=preload as=style

URL

/_next/static/css/1491b57b411fe6a4.css

rel=preload as=style

URL

/_next/static/css/1a187011211f99ec.css

rel=preload as=style

URL

/_next/static/css/d4cfc5b96bcde986.css

rel=preload as=style

URL

/_next/static/css/e8264a769b8b7c28.css

rel=preload as=style

URL

/_next/static/css/9b8e59074d9581e9.css

rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

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rel=preload as=style

URL

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rel=preload as=style

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rel=preload as=style

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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URL

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URL

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URL

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URL

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URL

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URL

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URL

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URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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URL

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URL

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URL

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URL

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URL

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URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

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rel=preload as=style

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

URL

/_next/static/css/d3d6ced219f4c749.css

rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

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URL

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rel=preload as=style

URL

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URL

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rel=preload as=style

URL

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rel=preload as=style

URL

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rel=preload as=style

X-Locale

Other

en-US

X-Matched-Path

Other

/

X-Next-Intl-Locale

Other

en-US

X-Next-Intl-Pathname

Other

/

X-Use-Next-Intl

Other

true

X-Vercel-Cache

Other

MISS

X-Vercel-Id

Other

iad1::iad1::bg544-1776097836623-9c9ae2d6ca08

date: Mon, 13 Apr 2026 16:30:37 GMT
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x-matched-path: /
x-next-intl-locale: en-US
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x-use-next-intl: true
x-vercel-cache: MISS
x-vercel-id: iad1::iad1::bg544-1776097836623-9c9ae2d6ca08

Recommendations

Enable compression (gzip/brotli) to improve performance

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