Yeah, I noticed that this morning and have sent a message. I'll see if I can post the info of the getting started page (Ports to use for each hardware)
Direct link to missing page (Getting started)
http://pool.electroneum.space/#getting_startedPort: 1111 Starting Difficulty: 25 Description: Potato hardware
Port: 3333 Starting Difficulty: 100 Description: Low end hardware
Port: 5555 Starting Difficulty: 2000 Description: Mid range hardware
Port: 7777 Starting Difficulty: 10000 Description: High end hardware
Port: 1337 Starting Difficulty: 100000 Description: High end hardware
Port: 9999 Starting Difficulty: 400000 Description: Monster hardware
If you have any questions though, join the discord forum and you'll get an answer pretty quickly as there appears to be someone around all the time.