22 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31556952
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

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
keep-alive
Vary
Performance
Accept-Encoding

Caching Headers

5 headers
Age
Caching
0
Cache-Control
Caching
max-age=600
Etag
Caching
"63654f9a-e2a"
Expires
Caching
Fri, 21 Nov 2025 21:06:12 GMT
Last-Modified
Caching
Fri, 04 Nov 2022 17:44:58 GMT

Content Headers

2 headers
Content-Length
Content
3626
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
GitHub.com

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

9 headers
Date
Other
Fri, 21 Nov 2025 21:30:19 GMT
Via
Other
1.1 varnish
X-Cache
Other
HIT
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
30bb410b9f959261fd6f80d2d6cc1caed95fc4bd
X-Github-Request-Id
Other
4E38:1C8C99:389554:3E7121:6920D1EB
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-pdk-kfty8610037-PDK
X-Timer
Other
S1763760619.353616,VS0,VE30

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 91ms