DNS Gurus
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12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Weak
frame-ancestors
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

1 headers
Connection
Performance
close

Caching Headers

1 headers
Cache-Control
Caching
no-cache, no-store, must-revalidate, max-age=0

Content Headers

2 headers
Content-Length
Content
26580
Content-Type
Content
text/html; charset=utf-8

Server Headers

0 headers
No server headers found

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
https://teams.powerbi.com

Cookies Headers

1 headers
Set-Cookie
Cookies
ARRAffinitySameSite=0632ca9db79921cff52d39e8281a50ff464d1c11d97e789130cd466b9287fce9;Path=/;HttpOnly;SameSite=None;Secure;Domain=app.powerbi.com

Other Headers

1 headers
Date
Other
Wed, 31 Dec 2025 09:14:09 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance