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.

9 HTTP Headers from google.edu.vnWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 302 Found
  2. Server: nginx
  3. Date: Thu, 01 Jan 2026 19:42:48 GMT
  4. Content-Type: text/html; charset=UTF-8
  5. Content-Length: 0
  6. Connection: keep-alive
  7. location: https://dot.com.vn/?domain=google.edu.vn
  8. cache-control: no-cache, no-store, must-revalidate, max-age=0
  9. x-turbo-charged-by: LiteSpeed

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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