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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.

15 HTTP Headers from allegro.plWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Location: https://allegro.pl
  3. Content-Type: text/html; charset=utf-8
  4. Vary: Accept, Accept-Encoding, x-internalip, x-forwarded-proto
  5. Cache-Control: private, no-store
  6. Date: Wed, 21 Feb 2018 11:24:32 GMT
  7. X-Backend: opbox_web_allegro_pl_477650_dc4_14_95_31093
  8. Age: 0
  9. X-Req-Counter: 1
  10. X-Hit: HIT 0
  11. X-Origin: s41449
  12. X-Content-Type-Options: nosniff
  13. grace: none
  14. X-XSS-Protection: 1; report=https://allegroapi.io/seclog/xss
  15. X-Frame-Options: SAMEORIGIN

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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