Open
Cached
·
20m ago
17
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
keep-alive
Vary
Performance
Accept-Encoding, Cookie, Cookie
Caching Headers
2 headers
Age
Caching
0
Cache-Control
Caching
public, max-age=60, s-maxage=43200, stale-while-revalidate=86400, stale-if-error=604800
Content Headers
2 headers
Content-Length
Content
240102
Content-Type
Content
text/html; charset=UTF-8
Server Headers
1 headers
Server
Server
nginx
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
9 headers
Date
Other
Wed, 12 Nov 2025 16:58:57 GMT
Link
Other
<https://jupyterfoundation.org/>; rel=shortlink
Via
Other
1.1 varnish, 1.1 varnish
X-Cache
Other
MISS, MISS
X-Cache-Hits
Other
0, 0
X-Pantheon-Styx-Hostname
Other
styx-fe4-a-78c956d5c-t7tfv
X-Served-By
Other
cache-chi-kigq8000140-CHI, cache-ewr-kewr1740057-EWR
X-Styx-Req-Id
Other
e0ba0c34-bfe8-11f0-bdd4-2616c196bfa1
X-Timer
Other
S1762966737.186120,VS0,VE756
Recommendations
Enable compression (gzip/brotli) to improve performance
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