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:
Unknown Certificate Authority - the server's certificate is not trusted
Open
Cached
·
just now
9
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Basic
frame-ancestors; frame-src; script-src; +2 more
frame-ancestors 'self'; frame-src 'self' https://*.draw.io https://*.youtube.com https://*.youtube-nocookie.com https://*.vimeo.com https://embed.diagrams.net; script-src http: https: 'nonce-8qaQ37uSdjm3tSDkPzkY5rJH' 'strict-dynamic'; object-src 'self'; base-uri 'self'
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
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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
2 headers
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
2 headers
Cache-Control
Caching
no-cache, no-store, private
Expires
Caching
Sun, 12 Jul 2015 19:01:00 GMT
Content Headers
1 headers
Content-Type
Content
text/html; charset=UTF-8
Server Headers
1 headers
Server
Server
Apache/2.4.58 (Ubuntu)
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
bookstack_session=eyJpdiI6IldlM3dSRCtLSWpidkQ1TklRVmZsK3c9PSIsInZhbHVlIjoiUWY0MWVNRzNZa1pqUE41aUJRVlFXME0rRmswNWFQVFd0cUJmTk5vUG00alVobGtuMCtaK1VDMFlQeWJpMzdlbGd4VDhJZ3BkY1h2WkI3M1A0TmVXam9xRTVkaVVmTVgvdHN5V1hROFFmd2grSGo1OWZmNFRNUUU3OThkUUl2TU8iLCJtYWMiOiIyY2Q0MTlhZGU2N2Y2NDhhYjQ5MzEyNTY0ZDZkMzNiOWQ1ZGM0NjRiMWQ0ODExZjQzNWM2NmY2ZDgyZTRmMTg2IiwidGFnIjoiIn0%3D; expires=Tue, 20 Jan 2026 08:32:23 GMT; Max-Age=7200; path=/; secure; httponly; samesite=lax
Other Headers
1 headers
Date
Other
Tue, 20 Jan 2026 06:32:23 GMT
Recommendations
Enable compression (gzip/brotli) to improve performance