HTTP Headers Analysis for https://docs.blockscout.com

Detected Technologies from Headers

See all in URL Inspect 4

Cloudflare NEL Monitoring

Cloudflare CDN

Next.js

Vercel

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=63072000

Content-Security-Policy

Weak

worker-src; object-src; base-uri; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

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
• Significantly strengthen CSP directives
• 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

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

30906

Cache-Control

Caching

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

Expires

Caching

0

Pragma

Caching

no-cache

age: 30906
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0
expires: 0
pragma: no-cache

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Version

Server

dpl_F2xRTvpreFgpAUfMaFRtqxsdfUjh

server: cloudflare
x-version: dpl_F2xRTvpreFgpAUfMaFRtqxsdfUjh

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f9e043e4fa346fd-IAD

Date

Other

Mon, 11 May 2026 03:14:59 GMT

Link

Other

URL /llms.txt

rel=llms-txt

URL /llms-full.txt

rel=llms-full-txt

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=KSWEAyzopVQMEgkIqLYlWGa14O3F11dD%2Fo%2BAp%2Fga%2BHTBKT9TEKISrO7YR%2Fm8j2Tl6um%2BSutbGIXjLvqYdLczawhzbXeu%2FcI2A0KzbnJTiMZ0mOZn%2Bqj5LeK1HQpVdLUb9QsBGBE%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=8,cfOrigin;dur=230

X-Llms-Txt

Other

/llms.txt

X-Matched-Path

Other

/_sites/[subdomain]/[[...slug]]

X-Mint-Proxy-Version

Other

1.0.0-prod

X-Mintlify-Client-Version

Other

0.0.2896

X-Nextjs-Prerender

Other

1

X-Nextjs-Stale-Time

Other

60

X-Served-Version

Other

dpl_F2xRTvpreFgpAUfMaFRtqxsdfUjh

X-Vercel-Cache

Other

MISS

X-Vercel-Id

Other

iad1:iad1::iad1::647pw-1778469298942-e133ff029607

X-Vercel-Project-Id

Other

prj_3kakCEKDVpOxnQIJmKyTWs83RXEa

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f9e043e4fa346fd-IAD
date: Mon, 11 May 2026 03:14:59 GMT
link: </llms.txt>; rel="llms-txt", </llms-full.txt>; rel="llms-full-txt"
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=KSWEAyzopVQMEgkIqLYlWGa14O3F11dD%2Fo%2BAp%2Fga%2BHTBKT9TEKISrO7YR%2Fm8j2Tl6um%2BSutbGIXjLvqYdLczawhzbXeu%2FcI2A0KzbnJTiMZ0mOZn%2Bqj5LeK1HQpVdLUb9QsBGBE%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=8,cfOrigin;dur=230
x-llms-txt: /llms.txt
x-matched-path: /_sites/[subdomain]/[[...slug]]
x-mint-proxy-version: 1.0.0-prod
x-mintlify-client-version: 0.0.2896
x-nextjs-prerender: 1
x-nextjs-stale-time: 60
x-served-version: dpl_F2xRTvpreFgpAUfMaFRtqxsdfUjh
x-vercel-cache: MISS
x-vercel-id: iad1:iad1::iad1::647pw-1778469298942-e133ff029607
x-vercel-project-id: prj_3kakCEKDVpOxnQIJmKyTWs83RXEa

Recommendations

Enable compression (gzip/brotli) to improve performance