There are various platform that crypto miners need to familiarize with. Below are lists of beneficial platforms for serious miners:

NiceHash: Platform for Mining Bitcoin

Kryptex: Platform for Mining Ethereum

WhatToMine: Site to Make Reference for What Crypto to Mine

Minerstat: Site to Manage Crypto Mining Rigs

Outervision: Site to Calculate Power Supply Electric Consumptions

RapidTables: Site to Calculate Electric Bills via Mining Rigs