https://www.plesk.com/extensions/social-login/
Access Plesk via any of your social accounts. Get this extension for free to better and more easily explore the ecosystem of Plesk.
social loginextensionplesk
https://www.plesk.com/kb/support/plesk-login-screen-shows-the-message-to-avoid-warnings-while-connecting-to-plesk-use-https-example-com8443/
plesk loginscreenshowsmessageavoid