23 Headers

Detected Technologies from Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31557600
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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

Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

Age
Caching
0
Cache-Control
Caching
max-age=600
Etag
Caching
"5a11a8d8-2b7"
Expires
Caching
Sun, 23 Aug 2026 18:38:48 GMT
Last-Modified
Caching
Sun, 19 Nov 2017 15:52:56 GMT

Content Headers

Content-Length
Content
695
Content-Type
Content
text/html; charset=utf-8

Server Headers

Server
Server
GitHub.com

CORS Headers

Access-Control-Allow-Origin
Cors
*

Cookies Headers

No cookies headers found

Other Headers

Date
Other
Sun, 23 Aug 2026 18:28:48 GMT
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
2ca2befc2d62dcadd1c3b5bc53e6b0041cf7c634
X-Github-Edge-Region
Other
iad
X-Github-Request-Id
Other
4436:481CD:4749BF3:4B6B563:6A8B3BDF
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-ewr-kewr1740071-EWR
X-Timer
Other
S1787509728.123607,VS0,VE26

Recommendations

Enable compression (gzip/brotli) to improve performance