Open
Cached
·
just now
12
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
1 headers
Server
Server
Apache
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
3 headers
Date
Other
Sun, 28 Dec 2025 07:52:59 GMT
Link
Other
<https://www.certum.pl/pl/wp-json/>; rel="https://api.w.org/", <https://www.certum.pl/pl/wp-json/wp/v2/pages/6>; rel="alternate"; title="JSON"; type="application/json", <https://www.certum.pl/pl/>; rel=shortlink
X-Permitted-Cross-Domain-Policies
Other
none
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching
Analysis completed in 2534ms