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.

12 HTTP Headers from https://csp.withgoogle.comWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 301
  2. content-type: text/html; charset=utf-8
  3. location: /docs/index.html
  4. content-security-policy: object-src 'none'; script-src 'none'; base-uri 'none';
  5. cross-origin-opener-policy: same-origin
  6. content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/gae4g-csp-collector
  7. report-to: {"group": "gae4g-csp_collector", "max_age": 2592000, "endpoints": [{"url": "https://csp.withgoogle.com/csp/report-to/csp-collector"}]}
  8. x-cloud-trace-context: 9260211920b9af78192d1cbb2980fd19
  9. content-length: 219
  10. date: Wed, 22 Oct 2025 00:31:39 GMT
  11. server: Google Frontend
  12. alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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