HTTP Headers Analysis for https://numpy.org
Analyzed on November 02, 2025 at 19:11 UTC
URL: https://numpy.org | Status: 200
24 Headers
Total Found
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
3 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
4 headers
Age
Caching
154
Cache-Control
Caching
max-age=14400
Expires
Caching
Sun, 02 Nov 2025 18:22:47 GMT
Last-Modified
Caching
Sat, 01 Nov 2025 20:38:14 GMT
Content Headers
1 headers
Content-Type
Content
text/html; charset=utf-8
Server Headers
1 headers
Server
Server
cloudflare
CORS Headers
1 headers
Access-Control-Allow-Origin
Cors
*
Cookies Headers
0 headers
No cookies headers found
Other Headers
14 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9985eff2bf7a1770-IAD
Date
Other
Sun, 02 Nov 2025 19:11:22 GMT
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=YclJCpHJEGE9XrnXjcuVTew4%2FKOKdgbBY2OtGymTCyiM7p9fsLvw4pwqJ7LKBn%2FuPe6ocQcWsegz34M4RSmjb%2BxvfnD10c6c9Q%3D%3D"}]}
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
13e4899e333d868f9be5d63e6d709fbec31551b2
X-Github-Request-Id
Other
F81C:3C5D70:148626D:1690926:69067122
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-iad-kiad7000150-IAD
X-Timer
Other
S1762029859.644772,VS0,VE19
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 0ms