It provides a secure place to store online content. The code, images, videos, and text that comprise a website all have to be stored somewhere. Without a stable digital repository, none of us could consistently access content on the web.
Shared hosting is a hosting type that allows multiple websites to share the same server resources, including storage space, RAM, and CPU. Such a setup optimizes server resources and cuts costs, making shared hosting a popular choice for owners of small websites and businesses who are just starting their online journey.
also see:
https://bloggingjoy.com/greengeeks-vs-namecheap/