18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains
Content-Security-Policy
Basic
default-src; base-uri; manifest-src; +12 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

1 headers
Cache-Control
Caching
no-cache, no-store, must-revalidate

Content Headers

2 headers
Content-Length
Content
34899
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
Apache/2.4.52 (Ubuntu)

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
octu1k2bsx3o=nkkn8l6mcp30fs1ma7mp8n7e8k; path=/; secure; HttpOnly; SameSite=Lax

Other Headers

5 headers
Date
Other
Wed, 07 Jan 2026 22:00:27 GMT
Feature-Policy
Other
autoplay 'self';camera 'self';fullscreen 'self' https://cloud.opreturn.de;geolocation 'self';microphone 'self';payment 'none'
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
gm91inTFCWkSKKdHHrNy
X-Robots-Tag
Other
noindex, nofollow

Recommendations

Enable compression (gzip/brotli) to improve performance