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.

8 HTTP Headers from http://www.addyourlnksnow.com/submit.php=http:/index.php?s=P&ampWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Date: Wed, 15 Oct 2025 09:30:14 GMT
  3. Connection: keep-alive
  4. Location: https://www.addyourlnksnow.com/submit.php=http:/index.php?s=P&amp
  5. Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Ajz0OJhO10WtyWhSu%2FndATnQPOXHTScD5y%2FFHkDKN6QtukF%2B41eIeN76GI3ZOddbYl3gXcS8lYwwGP1RmigbNpzV4nzh%2FJ%2B5qnnLNaLQ1mjbSCMmFNTVbUqRZGREQt3Waq0%3D"}]}
  6. Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
  7. Server: cloudflare
  8. CF-RAY: 98ee4bf07e82dbab-FRA

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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