DNS Gurus
Cached · just now
12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
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
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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
X-Forwarded-Proto,Accept-Encoding

Caching Headers

2 headers
Cache-Control
Caching
max-age=0
Expires
Caching
Sat, 24 Jan 2026 01:47:30 GMT

Content Headers

2 headers
Content-Language
Content
de-DE
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
nginx

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

3 headers
Date
Other
Sat, 24 Jan 2026 01:47:31 GMT
Link
Other
</dist/js/ndsbase/document-84c71a8c.js>; crossorigin rel=preload; as=script, </dist/js/ndsbase/background-focus-31b5ffd9.js>; crossorigin rel=preload; as=script, </dist/js/ndsbase/srcset-focus-d28071fc.js>; crossorigin rel=preload; as=script, </dist/js/ndsbase/svg-loader-d4c92d8a.js>; crossorigin rel=preload; as=script, </dist/js/ndsbase/lazyimages-29d2a333.js>; crossorigin rel=preload; as=script
X-Ua-Compatible
Other
IE=edge

Recommendations

Enable compression (gzip/brotli) to improve performance