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 4fd.coWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Date: Thu, 18 Sep 2025 17:46:37 GMT
  3. Content-Type: text/html; charset=utf-8
  4. Connection: keep-alive
  5. Cache-Control: private
  6. Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
  7. Location: https://www.thefreedictionary.com/download.htm
  8. cf-cache-status: DYNAMIC
  9. Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Wm2dM5qNTwaI0kIsVC9cd7WnYnR3uGkcR253LZJRlicecZZCq5Ni3IvAwV1reoOkVy8xYn6%2FMOPhQeu1ZQpd889UMIH6ioeqyV1L%2FjvzE%2BLJUw%3D%3D"}]}
  10. Server: cloudflare
  11. CF-RAY: 9812a9f10b4edbcd-FRA
  12. alt-svc: h3=":443"; ma=86400

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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