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

Detected Technologies from Headers

See all in URL Inspect 8

AWS CloudFront

AWS

Cloudflare CDN

CoinGecko

Google Analytics

Google Tag Manager

Next.js

Sanity

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Good

default-src; media-src; connect-src; +8 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

bluetooth=(), camera=(), geolocation=(); +2 more

Recommendations

• Strengthen CSP by removing 'unsafe-eval'

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding, Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding, Accept-Encoding

Caching Headers

Cache-Control

Caching

public, max-age=30, stale-while-revalidate=60, must-revalidate

cache-control: public, max-age=30, stale-while-revalidate=60, must-revalidate

Content Headers

Content-Language

Content

en

Content-Type

Content

text/html; charset=utf-8

content-language: en
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: clang=en; Path=/
_cfuvid=0IObBOI97eR1Pc7y2tc_qndvcXyjY1Lr3idseQ9QFTc-1777934721.8219655-1.0.1.1-hyTF104.RYWahGs6DhBdWhYhDs4fuWr3P90EG0LBsfM; HttpOnly; SameSite=None; Secure; Path=/; Domain=blockchain.com

Other Headers

Cf-Cache-Status

Other

MISS

Cf-Ray

Other

9f6b090b69b5d6a4-IAD

Date

Other

Mon, 04 May 2026 22:45:22 GMT

X-Blockchain-Cp-B

Other

explorer-react-frontend

X-Blockchain-Cp-F

Other

5fnp 0.004 - d2643b62a911816b7f0e61f6298621fd

X-Blockchain-Language

Other

en

X-Blockchain-Language-Id

Other

0:0:0 (en:en:en)

X-Blockchain-Server

Other

BlockchainFE/1.0

X-Middleware-Cache

Other

STALE

X-Original-Host

Other

www.blockchain.com

X-Request-Id

Other

d2643b62a911816b7f0e61f6298621fd

cf-cache-status: MISS
cf-ray: 9f6b090b69b5d6a4-IAD
date: Mon, 04 May 2026 22:45:22 GMT
x-blockchain-cp-b: explorer-react-frontend
x-blockchain-cp-f: 5fnp 0.004 - d2643b62a911816b7f0e61f6298621fd
x-blockchain-language: en
x-blockchain-language-id: 0:0:0 (en:en:en)
x-blockchain-server: BlockchainFE/1.0
x-middleware-cache: STALE
x-original-host: www.blockchain.com
x-request-id: d2643b62a911816b7f0e61f6298621fd

Recommendations

Enable compression (gzip/brotli) to improve performance

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