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  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 merlinka.plWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Date: Sat, 19 Apr 2025 21:59:15 GMT
  3. Content-Type: text/html
  4. Content-Length: 167
  5. Connection: keep-alive
  6. Cache-Control: max-age=3600
  7. Expires: Sat, 19 Apr 2025 22:59:15 GMT
  8. Location: https://merlinka.pl/
  9. Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=XS4T5vpFTjVIUkJOqo%2Bmiwhr8zYjHWWV50efTl7FQYSUiCNNsdw9HzQH4UNrA%2BKS3QLeFml%2F6LPMi73qGUFfmh%2F1rSpmZ%2F31iyybVkNwmwSkw28crdaX3Gj%2FI97O0Lzjur8zx55ZHvd8ng%3D%3D"}],"group":"cf-nel","max_age":604800}
  10. NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
  11. Server: cloudflare
  12. CF-RAY: 932fab0019db4dbd-FRA
  13. alt-svc: h3=":443"; ma=86400
  14. server-timing: cfL4;desc="?proto=TCP&rtt=1251&min_rtt=1251&rtt_var=625&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=158&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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