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

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=ZJznqlarNXlIK9g6wYsISgjFzJr2Kp8k6LEsppGcDJ8-1778372645.7373667-1.0.1.1-qyCRGAUnaoiAI3j2vrVJEM1W1SpXeRqWWeaTLJYaV8I; HttpOnly; SameSite=None; Secure; Path=/; Domain=blockchain.com

Other Headers

Cf-Cache-Status

Other

MISS

Cf-Ray

Other

9f94cc8bdfed290e-IAD

Date

Other

Sun, 10 May 2026 00:24:06 GMT

X-Blockchain-Cp-B

Other

explorer-react-frontend

X-Blockchain-Cp-F

Other

gf5g 0.005 - d9228a1a3f8d94d49e92696fd72a6f6a

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

d9228a1a3f8d94d49e92696fd72a6f6a

cf-cache-status: MISS
cf-ray: 9f94cc8bdfed290e-IAD
date: Sun, 10 May 2026 00:24:06 GMT
x-blockchain-cp-b: explorer-react-frontend
x-blockchain-cp-f: gf5g 0.005 - d9228a1a3f8d94d49e92696fd72a6f6a
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: d9228a1a3f8d94d49e92696fd72a6f6a

Recommendations

Enable compression (gzip/brotli) to improve performance

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