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.

9 HTTP Headers from https://whitehouse.govWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 301
  2. server: nginx
  3. date: Wed, 22 Oct 2025 21:55:37 GMT
  4. content-type: text/html; charset=utf-8
  5. location: https://www.whitehouse.gov/
  6. x-redirect-by: redirects.php
  7. x-rq: ams6 0 30 9980
  8. x-cache: HIT
  9. strict-transport-security: max-age=31536000;includeSubdomains;preload

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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