HTTPS Readiness test

Input

Check here if your site complies with the HTTPS best practices

Domain analysis: Www.simkanic.cz

  • Always redirect to sibling domain https://www.simkanic.cz (BEST PRACTICE!)
  • IP address: 77.93.206.236
  • Certificate details

  • This SSL Certificate was created for simkanic.cz but is also valid for Www.simkanic.cz
  • Certificate issued by Let's Encrypt, of type R3 (auto renewal)
  • Certificate start date: Aug 6 06:30:36 2022 GMT
  • Certificate expiration: Nov 4 06:30:35 2022 GMT (in 83 days)
  • Certificate validity period: 90 days (probably automated renewal)
  • Encryption algorithm: TLSv1.3 / TLS_AES_256_GCM_SHA384
  • More certificate details?
  • SSL Labs: get more detailed HTTPS report
  • Mozilla Observatory: get more detailed HTTPS report
  • HTTPS Headers

  • Missing HTTP header x-xss-protection - should be 1; mode=block
  • Missing HTTP header x-frame-options - should be SAMEORIGIN
  • Missing HTTP header content-security-policy - create at least a minimal one
  • HTTP header strict-transport-security (HSTS) is OK (12 months valid)
  • For a GDPR-focused review of your domain, use Churlie GDPR Checkup
  • Content details

  • Mixed content: this page uses insecure content from css3-mediaqueries-js.googlecode.com, www.simkanic.cz
  • How to get https for your site

    References