DNS Gurus
Cached · just now
14 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=63072000
Content-Security-Policy
Missing
Not configured
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
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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

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

Caching Headers

1 headers
Etag
Caching
W/"almnb"

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

0 headers
No cookies headers found

Other Headers

6 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bbf70e649143e6c-IAD
Content-Security-Policy-Report-Only
Other
default-src 'self'; frame-src 'self' https://datawrapper.dwcdn.net https://js.chargebee.com https://js.stripe.com https://datawrapper-test.chargebee.com https://youtube-nocookie.com https://platform.twitter.com; worker-src blob:; connect-src 'self' data: https://ifconfig.me/ip wss://ws.datawrapper.de https://pwk.datawrapper.de https://js.chargebee.com https://*.cloudfront.net https://*.sentry.io https://*.gstatic.com https://static.dwcdn.net https://datawrapper.dwcdn.net https://comments.datawrapper.de https://staging-chart-tests.s3.eu-central-1.amazonaws.com https://fonts.googleapis.com/ https://app.datawrapper.de https://api.fontsource.org/v1/fonts/ app.datawrapper.de ; font-src 'self' data: https://static.dwcdn.net https://fonts.gstatic.com https://fonts.dwcdn.net ; img-src * data: blob:; media-src * data:; script-src 'self' 'unsafe-eval' https://appsforoffice.microsoft.com https://datawrapper.dwcdn.net https://pwk.datawrapper.de 'nonce-05BuFdgjzv3upBKEug61iw=='; script-src-elem 'self' https://pwk.datawrapper.de https://js.chargebee.com https://js.stripe.com https://appsforoffice.microsoft.com https://platform.twitter.com https://pt.dwcdn.net https://datawrapper.dwcdn.net/ https://pwk.datawrapper.de https://app.datawrapper.de https://comments.datawrapper.de 'nonce-05BuFdgjzv3upBKEug61iw=='; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://datawrapper.dwcdn.net https://static.dwcdn.net https://pt.dwcdn.net; style-src-elem 'self' 'unsafe-inline' https://static.dwcdn.net https://js.chargebee.com https://fonts.googleapis.com https://pt.dwcdn.net https://datawrapper.dwcdn.net https://js.chargebee.com/assets/; report-uri %%CSP_REPORT_URI%%
Date
Other
Sat, 10 Jan 2026 21:59:21 GMT
Www-Authenticate
Other
Session, Token
X-Sveltekit-Page
Other
true

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching