SSL Verification Bypassed
The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.
Reason:
Hostname Mismatch - certificate is issued for carre.strozu.com, concertgebouw.strozu.com, deschalm.strozu.com, detamboer.strozu.com, livestream.carre.nl, livestream.detamboer.nl, livestream.munttheater.nl, livestream.stadsgehoorzaal.nl, munttheater.strozu.com, not for pluto.strozu.com
Open
Cached
·
just now
9
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
1 headers
Accept-Ranges
Performance
bytes
Caching Headers
2 headers
Etag
Caching
"q8vqo0mw"
Last-Modified
Caching
Thu, 16 Apr 2020 12:00:00 GMT
Content Headers
2 headers
Content-Length
Content
824
Content-Type
Content
text/html; charset=utf-8
Server Headers
1 headers
Server
Server
Caddy
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
3 headers
Alt-Svc
Other
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
Date
Other
Wed, 31 Dec 2025 05:00:55 GMT
Via
Other
1.1 google
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching