It refers to a popular JSON server list (often around 188 active addresses) that’s been circulating in Discord servers and GitHub repos. These servers are considered because they:
Hot servers use optimized WebSocket proxies. When you click "Join," you shouldn't wait more than 3 seconds. The 188 hotlist filters out servers using free hosting (like Heroku or Replit) which throttle speed after 50 players.
Unlike standard Minecraft, you do not need to install a launcher, download Java, or ask your IT admin for admin rights. If you have a browser—Chrome, Edge, Brave, or even the default Samsung Internet browser—you can run Eaglercraft.
Based on what I can understand: