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.

22 HTTP Headers from xlf.altervista.orgWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 403 Forbidden
  2. Date: Tue, 16 Apr 2024 13:15:19 GMT
  3. Content-Type: text/html; charset=UTF-8
  4. Content-Length: 14029
  5. Connection: close
  6. Accept-CH: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
  7. Cross-Origin-Embedder-Policy: require-corp
  8. Cross-Origin-Opener-Policy: same-origin
  9. Cross-Origin-Resource-Policy: same-origin
  10. Origin-Agent-Cluster: ?1
  11. Permissions-Policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
  12. Referrer-Policy: same-origin
  13. X-Frame-Options: SAMEORIGIN
  14. cf-mitigated: challenge
  15. cf-chl-out: nq8mjt3jCaNnkI7LMYL/ohuUXrmZcFXVPbQqw+Ds+lkIJUJkilViTzqTmQSZb2SW7mqi7kc0PJsBme2lA+BYmKf3O71SABNa9NJ8tv+zFDk=$podb/y3Q6L+4G3nA0LsBYA==
  16. Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
  17. Expires: Thu, 01 Jan 1970 00:00:01 GMT
  18. Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=UWrS6j5MppXMwxRhpxVEsasSf79Fi7TzEZI9%2F2FjktU9q3BEjck8HzCEMzO%2Bv2Cq3wEdsXFru7CrPihDAcgChIa69R%2BWR44p9TZ1n2IGa5ogZJBuKKtPOGDfyoFbaiVKMnD3fpY%3D"}],"group":"cf-nel","max_age":604800}
  19. NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
  20. Server: cloudflare
  21. CF-RAY: 875471886f0abf44-WAW
  22. alt-svc: h3=":443"; ma=86400

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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