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.

17 HTTP Headers from op-online.deWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Server: nginx
  3. Date: Sat, 20 Apr 2024 13:44:39 GMT
  4. Content-Type: text/html; charset=iso-8859-1
  5. Content-Length: 232
  6. Connection: keep-alive
  7. Location: http://www.op-online.de/
  8. Cache-Control: max-age=604800
  9. Expires: Sat, 27 Apr 2024 13:44:33 GMT
  10. X-Varnish: 809776395 789249668
  11. Age: 6
  12. Via: 1.1 varnish-v4
  13. X-Cache: HIT
  14. X-Cache-Hits: 1
  15. set-cookie: cua_uuid=ea3394d3-6373-c4b5-7398-32d4f8fd6bc4; Expires=Mon, 20 Apr 2026 13:44:39 GMT; path=/;
  16. set-cookie: new_user=true; Expires=Sun, 20 Apr 2025 13:44:39 GMT; path=/;
  17. SERVER: idlb1

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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