How do I link MetaMask to CoinMarketCap?

Could you please explain to me the steps required to establish a connection between MetaMask and CoinMarketCap? I'm trying to understand how I can utilize this integration to monitor my cryptocurrency portfolio effectively. Is there a specific interface or feature in MetaMask that allows for this linkage? Also, would linking these two platforms provide me with any additional benefits or functionalities? I'm keen to learn more about the process and its potential advantages. Thank you for your assistance in clarifying this matter.