3W1 SEO Tools

Make your WWW the #1 with SEO!

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  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.

15 HTTP Headers from https://gigazine.netWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 200
  2. date: Wed, 22 Oct 2025 02:19:43 GMT
  3. content-type: text/html; charset=UTF-8
  4. server: cloudflare
  5. x-frame-options: SAMEORIGIN
  6. expires: Sat, 26 Jul 1997 05:00:00 GMT
  7. pragma: no-cache
  8. content-security-policy: frame-ancestors 'self' gigazine.biz
  9. last-modified: Wed, 22 Oct 2025 02:16:05 GMT
  10. vary: Accept-Encoding,User-Agent
  11. cache-control: max-age=14400
  12. cf-cache-status: HIT
  13. age: 218
  14. cf-ray: 992582eddef7d372-FRA
  15. alt-svc: h3=":443"; ma=86400

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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