In Chrome versions 55 and earlier users could check the SSL Certificate details of a website clicking the lock icon in the address bar.

Well, this information has been moved to the Security tab in the developer tools. You can go there using

  • the F12 key on your keyboard,
  • Ctrl+Shift+I on your keyboard or
  • the 3 dots right to the address bar > More tools > Developer tools.

Then hit the Security tab: