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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
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

5 headers
Age
Caching
0
Cache-Control
Caching
max-age=600
Etag
Caching
W/"68a9b9fc-56e4"
Expires
Caching
Thu, 20 Nov 2025 19:36:06 GMT
Last-Modified
Caching
Sat, 23 Aug 2025 12:54:20 GMT

Content Headers

1 headers
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

10 headers
Alt-Svc
Other
h3=":443"; ma=2592000
Date
Other
Sat, 22 Nov 2025 05:44:12 GMT
Via
Other
1.1 varnish
X-Cache
Other
HIT
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
44edc0c358722a216b20a3788af3758f3841c4d8
X-Github-Request-Id
Other
CB0C:3BEB4D:8CEE:9052:691F6B44
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-sjc1000122-SJC
X-Timer
Other
S1763790252.105305,VS0,VE83

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 975ms