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.

15 HTTP Headers from wiki.developerforce.comWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/1.1 301 Moved Permanently
  2. Connection: close
  3. Content-Length: 0
  4. Server: Varnish
  5. Retry-After: 0
  6. Content-Type: text/html; charset=utf-8
  7. Location: https://developer.salesforce.com/
  8. Accept-Ranges: bytes
  9. Date: Sat, 27 Apr 2024 04:48:05 GMT
  10. Via: 1.1 varnish
  11. X-Request-ID: 50632792dcc3ec9193e358b9bae74f62f04500f9
  12. X-Served-By: cache-fra-eddf8230036-FRA
  13. X-Cache: HIT
  14. X-Cache-Hits: 0
  15. X-Timer: S1714193285.434351,VS0,VE0

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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