What is hosting a website ?

1
A web hosting service is a virtual space hired by yourself on a remote server. To understand what is a server (a kind of pc specialized for the network), you can visit this page : Computer Server. A server has like PCs, a hard disk, a processor, etc...

We are talking about shared hosting when a server hosts several websites belonging to several different owners. 

Each owner has :
- His own administration via cPanel (there are also other panel possible like ISPConfig)
- Its own dedicated storage space, resources and customized according to your hosting plan
Hébergement mutualisé en France
 
We are talking about dedicated hosting when a server hosts several websites belonging to one owner (clients included). The possibilities for this type of hosting are much greater in term of resources, level customization of the system, and it requires minimal technical knowledge.