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.

14 HTTP Headers from s90.plWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Connection: Keep-Alive
  3. Keep-Alive: timeout=5, max=100
  4. X-Powered-By: PHP/7.4.33
  5. set-cookie: PHPSESSID=724536c42c303ec15e079331ca769692; path=/
  6. Pragma: no-cache
  7. Content-Type: text/html; charset=UTF-8
  8. Expires: Wed, 17 Sep 2025 21:34:53 GMT
  9. Cache-Control: max-age=3600
  10. X-Redirect-By: WordPress
  11. Location: https://s90.pl/
  12. Date: Wed, 17 Sep 2025 20:34:53 GMT
  13. Server: LiteSpeed
  14. Vary: User-Agent

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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