DNS Gurus
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26 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=63072000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Origin

Caching Headers

1 headers
Cache-Control
Caching
max-age=0, private, must-revalidate

Content Headers

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

Server Headers

2 headers
Server
Server
cloudflare
X-Runtime
Server
0.224463

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_organizator_session=zQfNVaHYOSsaFHvhA8wOp9Wc4mxsRgjc6yobe6mt4zPs%2FQOYEI9BC9LUnNAX%2FlffvzTdx%2BwH9fhMjjB0bvkM6cmRQ3Mr2WHAjRJA8ObOIdV3UsCPQq67oE74q8lNYM3O7jvZ6JuQhxnWDLAaNdU%2Bgf8qsmPmtpaCzEdxQzWOk3in7TB2%2F%2Ff3b8y1%2BkoWKUCzotKZNzieEuRW3kc79GGZkwXiAMdIkZfrE%2Bw9E3TLSykIHxiMwEsxtBlbgfLEo5SnMcjNNomfthzoSMzNerQyeB1N%2BNUkZ%2BFkPj7dig%3D%3D--xfpo3vpYgU2IKioG--WNKKiB6woX37GI7g2MFqqg%3D%3D; path=/; secure; httponly; samesite=lax

Other Headers

13 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b35176ffbd98e53-IAD
Date
Other
Thu, 25 Dec 2025 03:01:02 GMT
Link
Other
<https://www.googletagmanager.com/gtag/js?id=>; rel=preload; as=script; nopush,</assets/app_lite-df78725cf71e206cd227a6933677a2adb804a25d194abb68ba7a4d83cdf2a551.css>; rel=preload; as=style; nopush
Nel
Other
{"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To
Other
{"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=BuRgpSN2U7U9JxWEwCg1thnKw%2F4Ii7BC5TN%2Ffub%2Fu0s%3D\u0026sid=812dcc77-0bd0-43b1-a5f1-b25750382959\u0026ts=1766631662"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=BuRgpSN2U7U9JxWEwCg1thnKw%2F4Ii7BC5TN%2Ffub%2Fu0s%3D&sid=812dcc77-0bd0-43b1-a5f1-b25750382959&ts=1766631662"
Server-Timing
Other
cfEdge;dur=12,cfOrigin;dur=440
Speculation-Rules
Other
"/cdn-cgi/speculation"
Via
Other
2.0 heroku-router
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
6ff89632-c90b-04fa-2efc-4635b891994d

Recommendations

Enable compression (gzip/brotli) to improve performance

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