18 Headers

Detected Technologies from Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Strong
default-src; script-src; img-src; +2 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Consider adding 'preload' to HSTS for maximum security
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • 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
Transfer-Encoding
Performance
chunked

Caching Headers

Cache-Control
Caching
max-age=3600

Content Headers

Content-Type
Content
application/xml

Server Headers

Server
Server
GitHub Cloud

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date
Other
Sat, 21 Feb 2026 11:10:21 GMT
Timing-Allow-Origin
Other
https://github.com
Via
Other
1.1 varnish
X-Amz-Bucket-Region
Other
us-east-1
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
b3afece12db3a6c083c08881de42fc69fcbadcdf
X-Served-By
Other
cache-ewr-kewr1740047-EWR
X-Timer
Other
S1771672221.492080,VS0,VE33

Recommendations

Enable compression (gzip/brotli) to improve performance