The Empire Minecraft Online User application was developed by EMC player ScrObot, utilizing data feeds from EMC along with JQuery and Font Awesome libraries.
Default server and favorite users are saved in local cookies. If this thing gets popular, I'll add the ability to optionally create an account and persist the data in a database.
This application is not affiliated or endorsed by Empire Minecraft, Mojang, Microsoft or any other third party in any way. Use at your own risk, beware of snakes, yadda yadda, you know the drill.