HTTP Headers Analysis for https://leetcode.com
Analyzed on November 02, 2025 at 19:10 UTC
URL: https://leetcode.com | Status: 200
13 Headers
Total Found
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains; preload
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
3 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Cookie, Authorization
Caching Headers
0 headers
No caching headers found
Content Headers
1 headers
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
csrftoken=XJlgDAwdGuAZhCQQQiap2rHJ0kpbmDWO; SameSite=Lax; Secure; Path=/; Max-Age=31449600; Expires=Sun, 01 Nov 2026 19:10:02 GMT
Other Headers
3 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9985ee02ecc7d644-IAD
Date
Other
Sun, 02 Nov 2025 19:10:02 GMT
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching
Analysis completed in 1ms