HTTP Headers Analysis for https://teams.powerbi.com

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

deny

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Significantly strengthen CSP directives
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

Cache-Control

Caching

no-cache, no-store, must-revalidate, max-age=0

cache-control: no-cache, no-store, must-revalidate, max-age=0

Content Headers

Content-Length

Content

20086

Content-Type

Content

text/html; charset=utf-8

content-length: 20086
content-type: text/html; charset=utf-8

Server Headers

No server headers found

CORS Headers

Access-Control-Allow-Origin

Cors

https://teams.powerbi.com

access-control-allow-origin: https://teams.powerbi.com

Cookies Headers

Set-Cookie

Cookies

set-cookie: WFESessionId=c97e6359-ca9e-45bd-aef8-5796d25beb01; path=/;Partitioned;; secure; SameSite=None; partitioned
ARRAffinity=fefe764be46af22b219770b9f088f606ad9d5c2c0064c96c2066f3f96d461a98;Path=/;HttpOnly;Secure;Domain=app.powerbi.com
ARRAffinitySameSite=fefe764be46af22b219770b9f088f606ad9d5c2c0064c96c2066f3f96d461a98;Path=/;HttpOnly;SameSite=None;Secure;Domain=app.powerbi.com

Other Headers

Date

Other

Thu, 09 Apr 2026 22:37:17 GMT

date: Thu, 09 Apr 2026 22:37:17 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance