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 r4u.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. set-cookie: c6089f53b16ef3e514ee63e2b6098e1b=14584501974246c3ecec10399e4eb94b; path=/; secure; HttpOnly
  5. P3P: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM"
  6. Location: https://r4u.pl/
  7. Content-Type: text/html; charset=utf-8
  8. Expires: Wed, 17 Aug 2005 00:00:00 GMT
  9. Last-Modified: Mon, 14 Jul 2025 19:57:22 GMT
  10. Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
  11. Pragma: no-cache
  12. Date: Mon, 14 Jul 2025 19:57:22 GMT
  13. Server: LiteSpeed
  14. X-Content-Type-Options: nosniff

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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