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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.

25 HTTP Headers from https://www.elektro-sachs-gmbh.de/With a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 200
  2. strict-transport-security: max-age=31536000; includeSubDomains; preload
  3. referrer-policy: no-referrer
  4. last-modified: Sat, 05 Sep 2026 09:29:07 GMT
  5. etag: "69e9-65ab9043fbec0"
  6. accept-ranges: bytes
  7. content-length: 27113
  8. cache-control: max-age=3592000
  9. expires: Tue, 15 Sep 2026 11:36:05 GMT
  10. vary: Accept-Encoding
  11. x-frame-options: deny
  12. x-content-type-options: nosniff
  13. x-xss-protection: 1; mode=block
  14. x-mein-custom-header: Elektro Sachs GmbH
  15. x-permitted-cross-domain-policies: none
  16. content-security-policy: default-src 'none'; script-src 'none'; media-src 'self' data: https:; object-src 'none'; base-uri 'self'; style-src 'self'; img-src 'self' data:; connect-src 'self'; frame-src 'self'; manifest-src 'self'; frame-ancestors 'none'; require-trusted-types-for 'script';
  17. cross-origin-opener-policy: same-origin
  18. cross-origin-resource-policy: cross-origin
  19. x-content-security-policy: default-src 'self'; script-src 'none'; object-src 'none'; base-uri 'self'; img-src 'self'; style-src 'self'; media-src 'none';frame-ancestors 'none';
  20. x-webkit-csp: default-src 'self'; script-src 'none'; object-src 'none'; style-src 'self'; img-src 'self'; connect-src 'self'; media-src 'none'; frame-src 'self'; frame-ancestors 'self'; base-uri 'self';
  21. permissions-policy: accelerometer=(), camera=(), cross-origin-isolated=(), display-capture=(), encrypted-media=(), fullscreen=(), geolocation=(), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=(), usb=(), xr-spatial-tracking=(), clipboard-read=(), clipboard-write=(), gamepad=(), hid=(), idle-detection=(), serial=()
  22. content-type: text/html; charset=utf-8
  23. content-language: de
  24. date: Tue, 15 Sep 2026 11:26:05 GMT
  25. server: Apache/2.4.68 (Unix)

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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