Sites that support Two Factor Authentication (2FA/MFA)

   
The following are the sites that I've enabled muti-factor authentication on. I urge you to do so as well, in order to better protect yourself.

• Buffer
• Dropbox
• Evernote
• Facebook
• GitHub
• Google
• HootSuite
• IFTTT
• Microsoft
• Slack
• ProtonMail
• Twitter
• VK
• LastPass
• Zoho
• MindMeister
• Amazon
• AOL
• Snapchat
• CloudFlare
• Reddit
• TeamViewer
• Tumblr
• WordPress