DNS Gurus
Cached · just now
13 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Basic
script-src; worker-src; style-src
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
accept-encoding

Caching Headers

1 headers
Cache-Control
Caching
private, no-cache, no-store, must-revalidate

Content Headers

2 headers
Content-Length
Content
83035
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
Mettl_Server

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

3 headers
Date
Other
Wed, 21 Jan 2026 14:29:17 GMT
Kbn-License-Sig
Other
9c362ba5f86f3674dd94ba8e127a706b0126aa98ac0d81f9a16b694c9fb06676
Kbn-Name
Other
com-analytics.mettl.com

Recommendations

Enable compression (gzip/brotli) to improve performance