DNS Gurus
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23 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; base-uri; child-src; +12 more
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
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

2 headers
Cache-Control
Caching
max-age=0, private, must-revalidate
Etag
Caching
W/"821c53f7aa43181196972b9968b1f4c6"

Content Headers

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

Server Headers

2 headers
Server
Server
cloudflare
X-Runtime
Server
0.002077

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

9 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9a248b5c5e29c9bf-IAD
Date
Other
Sat, 22 Nov 2025 01:09:58 GMT
Report-To
Other
{"group":"csp-endpoint","max_age":10886400,"endpoints":[{"url":"https://sentry.siepomaga.pl/tunnel/?csp=true\u0026projectId=8\u0026key=5ff966d78089e2f12b8e6374b8c3cbed\u0026environment=production\u0026release=bd5085302cc15d93b79728686380f35e16b0f81d"}],"include_subdomains":true}
Reporting-Endpoints
Other
{"csp-endpoint":"https://sentry.siepomaga.pl/tunnel/?csp=true&projectId=8&key=5ff966d78089e2f12b8e6374b8c3cbed&environment=production&release=bd5085302cc15d93b79728686380f35e16b0f81d"}
X-Cache-Status
Other
MISS
X-Download-Options
Other
noopen
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
651207b3-f21d-4330-9b0f-1d364c13833f

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 616ms