3W1 SEO Tools

Make your WWW the #1 with SEO!

  1. SEO Analysis
  2. Predicted PageRank
  3. PageRank Button
  4. Check PageRank
  5. WHOIS
  6. HTTP Headers 

3W1 strongly recommends „White Hat SEO” – learn why it's good for your website, while „Black Hat SEO” is not.

18 HTTP Headers from https://duckduckgo.comWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 200
  2. server: nginx
  3. date: Thu, 23 Oct 2025 01:28:57 GMT
  4. content-type: text/html; charset=UTF-8
  5. content-length: 65559
  6. vary: Accept-Encoding
  7. etag: "68f96d52-10017"
  8. strict-transport-security: max-age=31536000
  9. permissions-policy: interest-cohort=()
  10. content-security-policy: default-src 'none' ; connect-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; manifest-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; media-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; script-src blob: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com 'unsafe-inline' 'unsafe-eval' ; font-src data: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; img-src data: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; style-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com 'unsafe-inline' ; object-src 'none' ; worker-src blob: ; child-src blob: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; frame-src blob: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; form-action https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; frame-ancestors 'self' https://html.duckduckgo.com; base-uri 'self' ; block-all-mixed-content ;
  11. x-frame-options: SAMEORIGIN
  12. x-xss-protection: 1;mode=block
  13. x-content-type-options: nosniff
  14. referrer-policy: origin
  15. expect-ct: max-age=0
  16. expires: Thu, 23 Oct 2025 01:28:56 GMT
  17. cache-control: no-cache
  18. accept-ranges: bytes

Latest HTTP Headers requests list 30 URLs with HTTP status codes


Copyright ©2009-2023 SublimeStar. PageRank™ is a trademark of Google Inc.