Open
Cached
·
just now
20
Headers
Detected Technologies from Headers
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
X-Frame-Options
Excellent
deny
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
- • Strengthen CSP by removing 'unsafe-eval'
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
Accept-Ranges
bytes
Connection
close
accept-ranges: bytes connection: close
Caching Headers
Age
2988
age: 2988
Content Headers
Content-Length
19
Content-Type
text/plain; charset=utf-8
content-length: 19 content-type: text/plain; charset=utf-8
Server Headers
Server
github.com
server: github.com
CORS Headers
No CORS headers found
Cookies Headers
Other Headers
Date
Wed, 25 Feb 2026 14:50:45 GMT
Timing-Allow-Origin
https://github.com
Via
1.1 varnish
X-Cache
HIT
X-Cache-Hits
0
X-Fastly-Request-Id
79517bdfd7f6ac084301fdf1a585753c26a3a3cd
X-Github-Request-Id
A158:1A195E:795666:934F25:699F0096
X-Served-By
cache-lga21993-LGA
X-Timer
S1772031046.772920,VS0,VE1
date: Wed, 25 Feb 2026 14:50:45 GMT timing-allow-origin: https://github.com via: 1.1 varnish x-cache: HIT x-cache-hits: 0 x-fastly-request-id: 79517bdfd7f6ac084301fdf1a585753c26a3a3cd x-github-request-id: A158:1A195E:795666:934F25:699F0096 x-served-by: cache-lga21993-LGA x-timer: S1772031046.772920,VS0,VE1
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching