Open
Cached
·
just now
17
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15552001; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Present
allow-from https://nonprofitdirectory.guidestar.org
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
1 headers
Cache-Control
Caching
private
Content Headers
1 headers
Content-Type
Content
text/html; charset=utf-8
Server Headers
4 headers
Server
Server
cloudflare
X-Aspnet-Version
Server
4.0.30319
X-Aspnetmvc-Version
Server
5.3
X-Powered-By
Server
ASP.NET
CORS Headers
2 headers
Access-Control-Allow-Headers
Cors
Origin, X-Requested-With, Content-Type, Accept
Access-Control-Allow-Origin
Cors
https://nonprofitdirectory.guidestar.org
Cookies Headers
1 headers
Set-Cookie
Cookies
ASP.NET_SessionId=hm4ubnuemrieswi20axzuvoc; HttpOnly; SameSite=Lax; Secure; Path=/
Other Headers
3 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9a7b91ee1f2c0824-IAD
Date
Other
Tue, 02 Dec 2025 14:38:48 GMT
Recommendations
Enable compression (gzip/brotli) to improve performance
Consider removing X-Powered-By header to hide server technology
Analysis completed in 261ms