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 www.otd.toWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Date: Tue, 29 Apr 2025 18:18:28 GMT
  3. Content-Type: text/html
  4. Content-Length: 167
  5. Connection: keep-alive
  6. Cache-Control: max-age=3600
  7. Expires: Tue, 29 Apr 2025 19:18:28 GMT
  8. Location: https://oneqrl.com
  9. Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=9hyTJEwV6%2Fea3hqcTGs3qjzU6j7c20v%2FOrHyuKhbHkymZCgRVZsqi8jbH96LBJTFc4UOcfeEJj%2BAmuih5a1mk99KoTSVGM2lFUvfsR1w%2BLJ6JNtOjK5cwljBD2f8gqwjZnuq3leJdsyt"}],"group":"cf-nel","max_age":604800}
  10. NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
  11. Server: cloudflare
  12. CF-RAY: 9380cd562b3f9238-FRA

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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