HTTP Headers Analysis for https://python.org
Analyzed on November 02, 2025 at 19:09 UTC
URL: https://python.org | Status: 200
15 Headers
Total Found
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
keep-alive
Content-Encoding
Performance
gzip
Vary
Performance
Cookie
Caching Headers
1 headers
Age
Caching
538
Content Headers
3 headers
Content-Encoding
Content
gzip
Content-Length
Content
11545
Content-Type
Content
text/html; charset=utf-8
Server Headers
0 headers
No server headers found
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
6 headers
Date
Other
Sun, 02 Nov 2025 19:09:50 GMT
Via
Other
1.1 varnish, 1.1 varnish, 1.1 varnish
X-Cache
Other
MISS, HIT, HIT
X-Cache-Hits
Other
0, 10, 1
X-Served-By
Other
cache-iad-kiad7000081-IAD, cache-iad-kiad7000081-IAD, cache-ewr-kewr1740028-EWR
X-Timer
Other
S1762110591.689455,VS0,VE1
Recommendations
Add Cache-Control header to optimize caching
Analysis completed in 0ms