HTTPS Readiness test

Input

Check here if your site complies with the HTTPS best practices

Domain analysis: google.com

  • Redirect to insecure URL on sibling server www.google.com - check that server!
  • IP address: 172.217.19.174
  • Certificate details

  • This wildcard SSL Certificate was created for *.google.com and is also valid for google.com
  • Certificate issued by Google Trust Services, of type GTS CA 1O1 (auto renewal)
  • Certificate start date: May 5 08:22:35 2020 GMT
  • Certificate expiration: Jul 28 08:22:35 2020 GMT (in 63 days)
  • Certificate validity period: 84 days (probably automated renewal)
  • Encryption algorhythm: TLSv1.2 / ECDHE-ECDSA-AES128-GCM-SHA256
  • 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 content-security-policy - create at least a minimal one
  • Missing HTTP header strict-transport-security (HSTS)
  • HTTP header x-frame-options is OK - iframe clickjacking protection
  • For a GDPR-focused review of your domain, use Churlie GDPR Checkup
  • Content details

  • No mixed content: no http files used in the https page
  • How to get https for your site

  • Let’s Encrypt is a free, automated, and open Certificate Authority.
    Example: cloudfleet.io, scotthelme.co.uk
  • Cloudflare One-Click SSL (also on the Free Plan)
    Example: toolstud.io
  • Paid certificates: Verisign, GeoTrust, Comodo, DigiCert, Thawte, Globalsign
    Example: www.amazon.com, www.mozilla.org, twitter.com
  • References