DNS Gurus
Cached · 1h ago
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Significantly strengthen CSP directives
  • • 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

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
accept-encoding

Caching Headers

2 headers
Age
Caching
612528
Last-Modified
Caching
Tue, 03 Feb 2026 09:53:34 GMT

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_cfuvid=WJ4UT3ztYT8HNz6uVZVWUzJEix1TbWrYIZlmZ9E5hUY-1770724942617-0.0.1.1-604800000; path=/; domain=.www.stacklinestudio.com; HttpOnly; Secure; SameSite=None

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9cbb750b0b3d1747-IAD
Date
Other
Tue, 10 Feb 2026 12:02:22 GMT
Surrogate-Control
Other
max-age=2147483647
Surrogate-Key
Other
www.stacklinestudio.com 6824d41890c3276af936130d pageId:6824d41890c3276af936134d
X-Lambda-Id
Other
b450a776-0faa-4c8c-b5d7-32e639b9caef

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching