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
"6031f78e-3f3"
Expires
Caching
Tue, 19 May 2026 23:12:48 GMT
Last-Modified
Caching
Sun, 21 Feb 2021 06:02:54 GMT

Content Headers

Content-Length
Content
1011
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
Tue, 19 May 2026 23:02:48 GMT
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Fastly-Request-Id
Other
f8095a90c6da0f8f1b4bfbfe8fce390b57bd1c18
X-Github-Request-Id
Other
E84C:284643:1A3FE8F:1BF98BC:6A0CEC18
X-Proxy-Cache
Other
MISS
X-Served-By
Other
cache-nyc-kteb1890081-NYC
X-Timer
Other
S1779231768.302904,VS0,VE61

Recommendations

Enable compression (gzip/brotli) to improve performance