Open
Cached
·
just now
21
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Present
accelerometer=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
Performance Headers
1 headers
Connection
Performance
close
Caching Headers
2 headers
Cache-Control
Caching
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires
Caching
Thu, 01 Jan 1970 00:00:01 GMT
Content Headers
2 headers
Content-Length
Content
5103
Content-Type
Content
text/html; charset=UTF-8
Server Headers
1 headers
Server
Server
cloudflare
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
__cf_bm=EB8FPWeUmzNPtjY53Yr94HJ2XgEIku_gyYU9gwgOuTg-1762711411-1.0.1.1-d0ADUpYe8G.OpKWXXuySTIcAk3Xqdev7BtT5HaMUHIKKWvTVWh1qEGOyOJyK2sz95_dDqu528xyJ7dunJbu2V5adlG_nlI5OyrsUWzRAFTo; path=/; expires=Sun, 09-Nov-25 18:33:31 GMT; domain=.www.columbia.edu; HttpOnly
Other Headers
7 headers
Accept-Ch
Other
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
Cf-Mitigated
Other
challenge
Cf-Ray
Other
99bf3a332ee01e0d-IAD
Critical-Ch
Other
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
Date
Other
Sun, 09 Nov 2025 18:03:31 GMT
Origin-Agent-Cluster
Other
?1
Server-Timing
Other
chlray;desc="99bf3a332ee01e0d"
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 176ms