DNS Gurus
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8 Headers

Detected Technologies from Headers

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Express logo Express

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

Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

Etag
Caching
W/"3f-GR0G8sZfNVmVbqqGkyrPOefU7Ys"

Content Headers

Content-Length
Content
63
Content-Type
Content
application/json; charset=utf-8

Server Headers

X-Powered-By
Express logo
Server
Express

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date
Other
Tue, 12 May 2026 20:51:02 GMT
X-Server-Id
Other
68b9d8c5cd-lp2xr

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Consider removing X-Powered-By header to hide server technology