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.

14 HTTP Headers from https://wordpress.orgWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 200
  2. server: nginx
  3. date: Thu, 23 Oct 2025 18:54:20 GMT
  4. content-type: text/html; charset=UTF-8
  5. vary: Accept-Encoding
  6. strict-transport-security: max-age=3600
  7. x-olaf:
  8. vary: accept, content-type
  9. link: <https://wordpress.org/wp-json/>; rel="https://api.w.org/"
  10. link: <https://wordpress.org/wp-json/wp/v2/pages/457>; rel="alternate"; title="JSON"; type="application/json"
  11. link: <https://w.org/>; rel=shortlink
  12. x-frame-options: SAMEORIGIN
  13. alt-svc: h3=":443"; ma=86400
  14. x-nc: HIT ord 2

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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