DNS Gurus
Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Significantly strengthen CSP directives
  • • Add X-Content-Type-Options: nosniff
  • • 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

2 headers
Age
Caching
68758
Last-Modified
Caching
Mon, 12 Jan 2026 11:28:48 GMT

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_cfuvid=0VKVVb4Hvmnc8ej98DNMxK2OIgMiGE5F1KHuXCognUo-1768286086792-0.0.1.1-604800000; path=/; domain=.www.nerds.nl; HttpOnly; Secure; SameSite=None

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9bd2dea9fed005d1-IAD
Date
Other
Tue, 13 Jan 2026 06:34:46 GMT
Surrogate-Control
Other
max-age=432000
Surrogate-Key
Other
www.nerds.nl 65fde870d8f2fa0f4f89a36f pageId:65fde870d8f2fa0f4f89a3ca 687f324f050e9af5a87b3362 660c0591d7cb2fd1698511f7 68473191d965d41846d7ae31 687e799c88c6f562d3382c67
X-Lambda-Id
Other
61fdbece-6a13-4536-a355-4b3f93d03194

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching