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
Missing
Not configured
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 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
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

1 headers
Age
Caching
208

Content Headers

2 headers
Content-Length
Content
530877
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
nginx/1.28.1

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

5 headers
Date
Other
Tue, 10 Feb 2026 17:10:09 GMT
Link
Other
<https://glow25.de/wp-json/>; rel="https://api.w.org/", <https://glow25.de/wp-json/wp/v2/pages/3449458>; rel="alternate"; title="JSON"; type="application/json", <https://glow25.de/>; rel=shortlink
Via
Other
1.1 lb-a-go.c-2797.maxcluster.net (Varnish/7.4)
X-Cacheable
Other
YES:Forced
X-Varnish
Other
948043998 942641579

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching