3W1 SEO Tools

Make your WWW the #1 with SEO!

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  4. Check PageRank
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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.

13 HTTP Headers from s90.plWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Date: Sun, 13 Jul 2025 07:38:56 GMT
  3. Server: Apache/2
  4. Pragma: no-cache
  5. Expires: Sun, 13 Jul 2025 08:38:57 GMT
  6. Cache-Control: max-age=3600
  7. X-Redirect-By: WordPress
  8. Set-Cookie: PHPSESSID=7l8n7ps8i5k8cb6tludgj27c4b; path=/
  9. Upgrade: h2,h2c
  10. Connection: Upgrade
  11. Location: https://s90.pl/
  12. Vary: User-Agent
  13. Content-Type: text/html; charset=UTF-8

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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