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.

10 HTTP Headers from colissimo.frWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. date: Wed, 24 Apr 2024 03:13:32 GMT
  3. server: Apache
  4. referrer-policy: no-referrer
  5. strict-transport-security: max-age=31536000; includeSubDomains
  6. x-content-type-options: nosniff
  7. x-frame-options: SAMEORIGIN
  8. x-xss-protection: 1; mode=block
  9. location: http://www.colissimo.fr/
  10. content-type: text/html; charset=iso-8859-1

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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