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  6. HTTP Headers 

3W1 strongly recommends „White Hat SEO” – learn why it's good for your website, while „Black Hat SEO” is not.

16 HTTP Headers from carboneselectricosnettosl.infoWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 503 Service Unavailable
  2. Date: Thu, 19 Jul 2018 09:38:53 GMT
  3. Server: Apache
  4. X-Powered-By: PHP/7.1.19
  5. Pragma: no-cache
  6. Cache-Control: no-cache, must-revalidate, private
  7. Expires: Sat, 26 Jul 1997 05:00:00 GMT
  8. Retry-After: 3600
  9. Vary: Accept-Encoding
  10. Content-Encoding: gzip
  11. Content-Length: 1442
  12. Content-Type: text/html; charset=UTF-8
  13. X-Varnish: 887650075
  14. Age: 0
  15. Via: 1.1 varnish (Varnish/6.0)
  16. Connection: keep-alive

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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