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20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
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
  • 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

2 headers
Connection
Performance
keep-alive
Vary
Performance
accept-encoding

Caching Headers

2 headers
Age
Caching
77289
Last-Modified
Caching
Sun, 16 Nov 2025 08:02:06 GMT

Content Headers

3 headers
Content-Language
Content
en
Content-Length
Content
168943
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_cfuvid=y58DfvOkUNZ0LtfEBjGxWpNGgpnKi99.Gxb.u7sSiSA-1763357415886-0.0.1.1-604800000; Domain=.www.ultralytics.com; Path=/; HttpOnly; Secure; SameSite=None

Other Headers

10 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
99fcd5c90838d701-IAD
Date
Other
Mon, 17 Nov 2025 05:30:15 GMT
Link
Other
<https://www.ultralytics.com>; rel="canonical"
Processed-By
Other
Weglot
Surrogate-Control
Other
max-age=432000
Surrogate-Key
Other
www.ultralytics.com 680a070c3b99253410dd3dcf pageId:680a070c3b99253410dd3dcb 68ebdb370f83962d1f58b0f7 680a070c3b99253410dd3f88
Weglot
Other
id.99fcd5c90838d701, p.cf, cs
Weglot-Translated
Other
true
X-Lambda-Id
Other
6d7b41e1-84df-4c0a-b22e-5f337cc47d4d

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Analysis completed in 262ms