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.

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


  1. HTTP/2 503
  2. content-type: text/html
  3. server: Server
  4. date: Wed, 22 Oct 2025 23:06:42 GMT
  5. x-amz-rid: NJFST4FXJ5KZQ69VFN0Y
  6. vary: Content-Type,Accept-Encoding,User-Agent
  7. strict-transport-security: max-age=47474747; includeSubDomains; preload
  8. x-cache: Error from cloudfront
  9. via: 1.1 6099a68d04a7ee2150888338bfdc451a.cloudfront.net (CloudFront)
  10. x-amz-cf-pop: AMS58-P4
  11. alt-svc: h3=":443"; ma=86400
  12. x-amz-cf-id: dKBuchzxltXkabwZj0UbK5mPVZ2q8xoFJ_abglwCy8leGymzchnEAQ==

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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