HTTP Headers Analysis for https://hexdocs.pm
Analyzed on November 02, 2025 at 19:09 UTC
URL: https://hexdocs.pm | Status: 200
16 Headers
Total Found
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
1 headers
Connection
Performance
keep-alive
Caching Headers
4 headers
Age
Caching
0
Cache-Control
Caching
public, max-age=86400
Etag
Caching
W/"c1a70d915f7c840c9816ecb41ae39447"
Last-Modified
Caching
Sat, 01 Nov 2025 09:24:44 GMT
Content Headers
2 headers
Content-Length
Content
1179
Content-Type
Content
text/html
Server Headers
0 headers
No server headers found
CORS Headers
1 headers
Access-Control-Allow-Origin
Cors
*
Cookies Headers
0 headers
No cookies headers found
Other Headers
7 headers
Date
Other
Sun, 02 Nov 2025 19:09:52 GMT
X-Cache
Other
HIT, MISS
X-Cache-Age
Other
3001, 0
X-Cache-Hits
Other
14, 0
X-Cache-Served-By
Other
cache-iad-kcgs7200092-IAD, cache-nyc-kteb1890064-NYC
X-Cache-Surrogate-Key
Other
static
X-Served-By
Other
cache-nyc-kteb1890064-NYC
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 0ms