DNS Gurus
Cached · 6h ago
12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
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

2 headers
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

2 headers
Cache-Control
Caching
s-maxage=10, stale-while-revalidate
Etag
Caching
"u64hhwdgbh1114a"

Content Headers

2 headers
Content-Length
Content
1728015
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
Mettl_Server
X-Powered-By
Server
Next.js

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
https://mettl.com

Cookies Headers

1 headers
Set-Cookie
Cookies
homeCountryName=United%20States; Path=/;HttpOnly;Secure

Other Headers

2 headers
Date
Other
Tue, 20 Jan 2026 12:19:02 GMT
X-Nextjs-Cache
Other
HIT

Recommendations

Enable compression (gzip/brotli) to improve performance

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