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21 Headers

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
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
"68e99d9f-10e"
Expires
Caching
Wed, 19 Nov 2025 16:42:56 GMT
Last-Modified
Caching
Fri, 10 Oct 2025 23:58:23 GMT

Content Headers

2 headers
Content-Length
Content
270
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
Wed, 19 Nov 2025 16:32:56 GMT
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
d91844a3c311ae4dcfcedff763c2cd135f121dd4
X-Github-Request-Id
Other
E9E6:5A2C3:158484A:17E4909:691DF137
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-lga21960-LGA
X-Timer
Other
S1763569976.097576,VS0,VE548

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 723ms