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.

22 HTTP Headers from www.ask3.cnWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 200 OK
  2. Connection: keep-alive
  3. Content-Length: 57631
  4. Server: GitHub.com
  5. Content-Type: text/html; charset=utf-8
  6. Last-Modified: Wed, 21 May 2025 03:36:37 GMT
  7. Access-Control-Allow-Origin: *
  8. ETag: "682d4a45-e11f"
  9. expires: Tue, 16 Dec 2025 10:59:03 GMT
  10. Cache-Control: max-age=600
  11. x-proxy-cache: MISS
  12. X-GitHub-Request-Id: CD96:14AAC1:F82AF0:FB1C06:6941391F
  13. Accept-Ranges: bytes
  14. Age: 236
  15. Date: Tue, 16 Dec 2025 10:53:00 GMT
  16. Via: 1.1 varnish
  17. X-Served-By: cache-fra-eddf8230027-FRA
  18. X-Cache: HIT
  19. X-Cache-Hits: 0
  20. X-Timer: S1765882380.041122,VS0,VE1
  21. Vary: Accept-Encoding
  22. X-Fastly-Request-ID: fd9fc6cbdc52668b8df739b16916cbf33cdd8c2e

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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