HTTP Headers Analysis for https://old.etherscan.io

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Good

frame-ancestors; connect-src; default-src 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

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Strengthen CSP by removing 'unsafe-eval'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

30285

Content-Type

Content

text/html

content-length: 30285
content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: CF_Session=nm7Y0HoTu2aYjOn6Y; Path=/; Secure; Expires=Sat, 04 Apr 2026 04:44:18 GMT; HttpOnly; SameSite=none

Other Headers

Cf-Access-Domain

Other

old.etherscan.io

Cf-Ray

Other

9e6c48a76cec0a0f-IAD

Cf-Version

Other

20-56c6e04

Date

Other

Sat, 04 Apr 2026 00:44:18 GMT

cf-access-domain: old.etherscan.io
cf-ray: 9e6c48a76cec0a0f-IAD
cf-version: 20-56c6e04
date: Sat, 04 Apr 2026 00:44:18 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching