Open
Cached
·
just now
17
Headers
Detected Technologies from Headers
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000
X-Frame-Options
Missing
Not configured
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-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
Connection
close
Transfer-Encoding
chunked
Vary
accept-encoding
connection: close transfer-encoding: chunked vary: accept-encoding
Caching Headers
Age
832803
Last-Modified
Mon, 20 Apr 2026 20:09:39 GMT
age: 832803 last-modified: Mon, 20 Apr 2026 20:09:39 GMT
Content Headers
Content-Type
text/html; charset=utf-8
content-type: text/html; charset=utf-8
CORS Headers
No CORS headers found
Cookies Headers
Other Headers
Alt-Svc
h3=":443"; ma=86400
Date
Thu, 30 Apr 2026 11:29:43 GMT
Surrogate-Control
max-age=2147483647
Surrogate-Key
www.codejudge.io 63bc05263541dd3206f17b98 pageId:64da508ed86fb550ad25c0a5
X-Lambda-Id
31cebc66-7bff-4f09-83a1-ff2430b76f23
X-Wf-Region
us-east-1
alt-svc: h3=":443"; ma=86400 cf-cache-status: HIT cf-ray: 9f4635d56b28c9b1-IAD date: Thu, 30 Apr 2026 11:29:43 GMT surrogate-control: max-age=2147483647 surrogate-key: www.codejudge.io 63bc05263541dd3206f17b98 pageId:64da508ed86fb550ad25c0a5 x-lambda-id: 31cebc66-7bff-4f09-83a1-ff2430b76f23 x-wf-region: us-east-1
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching