HTTP Headers Analysis for https://etherscan.io

Detected Technologies from Headers

See all in URL Inspect 2

ASP.NET

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• 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

Accept-Encoding

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

Caching Headers

Cache-Control

Caching

private

cache-control: private

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: ASP.NET_SessionId=ksg5b5n2tize2r2tnk31rgba; path=/; secure; HttpOnly; SameSite=Lax
__cflb=02DiuFnsSsHWYH8WqVXaqSXf986r8yFDsT5esuz7q2dHn; HttpOnly; SameSite=None; Secure; Path=/; Expires=Thu, 02 Apr 2026 23:35:51 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9e5bc1850996204b-IAD

Date

Other

Thu, 02 Apr 2026 00:35:51 GMT

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9e5bc1850996204b-IAD
date: Thu, 02 Apr 2026 00:35:51 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance