DNS Gurus
Cached · 5h ago
23 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Significantly strengthen CSP directives
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

4 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

2 headers
Age
Caching
155335
Cache-Control
Caching
public, max-age=0, must-revalidate

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=.qXTzGyr6onT6EIcjcLmK28juKryKFDZZ_t04sLbIdM-1766983595-1.0.1.1-ffUDbhajhaoN4epvQGecCy0mtMbK0cki4G1YpklmkgKU5xJOKDyiXE4jQp.bdRHQxzU0h1z7FEpdNJ.fvGw9GF2ntXPV3kkuSHf4wFkv40E; path=/; expires=Mon, 29-Dec-25 05:16:35 GMT; domain=.www.retentionscience.com; HttpOnly; Secure; SameSite=None

Other Headers

10 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9b56a78cad0474d1-IAD
Date
Other
Mon, 29 Dec 2025 04:46:35 GMT
X-Amz-Id-2
Other
bmyp+P25Ibmc/tkCoOn3uGA9TgZmZRfk2CW8NovFj2rc0sq6hlWRp6zfBMV6LzCW5Qc19alu5Ds=
X-Amz-Request-Id
Other
J7747X5MMD2BB6BK
X-Amz-Server-Side-Encryption
Other
AES256
X-Amz-Version-Id
Other
be2rwXf0s4bgY7Bte0k3xmdxqwmRWkm9
X-Cf-Worker-Version
Other
1.0.15
X-Website-Version
Other
1.0.26

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 41ms