DNS Gurus
Cached · just now
13 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Weak
upgrade-insecure-requests; frame-ancestors:
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
  • • Significantly strengthen CSP directives
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html; charset=UTF-8

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
incap_ses_176_2234699=coMjSGXmShVFNGxJJkdxAp/WaWkAAAAAPSz3nii8RJj0iDmAbOxc8w==; path=/; Domain=.diebels.de; Secure; SameSite=None

Other Headers

3 headers
Date
Other
Fri, 16 Jan 2026 06:11:43 GMT
X-Cdn
Other
Imperva
X-Iinfo
Other
53-55796154-55796186 NNNY CT(148 141 0) RT(1768543903717 60) q(0 0 0 2) r(2 3) U12

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching