HTTP Headers Analysis for https://newsroom.mastercard.com

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=2592000

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Basic

default-src; script-src; style-src; +6 more Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• 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

connection: close
transfer-encoding: chunked

Caching Headers

No caching headers found

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: ApplicationGatewayAffinityCORS=acf1ad33350032a460bd5185da2b17bb; Path=/; SameSite=None; Secure
ApplicationGatewayAffinity=acf1ad33350032a460bd5185da2b17bb; Path=/
.AspNetCore.Mvc.CookieTempDataProvider=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/; samesite=lax; httponly

Other Headers

Date

Other

Mon, 19 Oct 2026 14:05:47 GMT

Request-Context

Other

appId=cid-v1:115c958a-95fd-4ce6-86c4-e934037fef44

date: Mon, 19 Oct 2026 14:05:47 GMT
request-context: appId=cid-v1:115c958a-95fd-4ce6-86c4-e934037fef44

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching