21 Headers

Detected Technologies from Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
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
  • 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

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

Caching Headers

Age
Caching
0
Cache-Control
Caching
max-age=600
Etag
Caching
"62b2397f-252"
Expires
Caching
Mon, 11 May 2026 01:18:55 GMT
Last-Modified
Caching
Tue, 21 Jun 2022 21:34:55 GMT

Content Headers

Content-Length
Content
594
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
Mon, 11 May 2026 01:08:55 GMT
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
35d08afc0ec301b443493054d20e84799057d73e
X-Github-Request-Id
Other
28C8:10CF65:3613398:3C301E8:6A012C27
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-nyc-kteb1890040-NYC
X-Timer
Other
S1778461736.751316,VS0,VE18

Recommendations

Enable compression (gzip/brotli) to improve performance