Open
Cached
·
just now
15
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
4 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Content-Range
Performance
bytes 0-11035/11036
Vary
Performance
*
Caching Headers
0 headers
No caching headers found
Content Headers
2 headers
Content-Length
Content
11036
Content-Type
Content
text/html;charset=utf-8
Server Headers
2 headers
Server
Server
openresty
X-Powered-By
Server
Cap Standalone
CORS Headers
5 headers
Access-Control-Allow-Credentials
Cors
true
Access-Control-Allow-Headers
Cors
host, connection, user-agent, x-forwarded-scheme, x-forwarded-proto, x-forwarded-for, x-real-ip
Access-Control-Allow-Methods
Cors
POST
Access-Control-Allow-Origin
Cors
*
Access-Control-Expose-Headers
Cors
host, connection, user-agent, x-forwarded-scheme, x-forwarded-proto, x-forwarded-for, x-real-ip
Cookies Headers
0 headers
No cookies headers found
Other Headers
2 headers
Date
Other
Wed, 28 Jan 2026 14:57:56 GMT
X-Served-By
Other
challenges.revolutionlearning.com
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching
Consider removing X-Powered-By header to hide server technology