The operating system may run multiple instances of the SvcHost process, depending on how many services need to run. Each service that is run inside the SvcHost process is sharing the process, which helps to reduce the amount of resources ( RAM ) used up on the computer. It is common to see three or four in the Task Manager Processes tab.
Before a website is published online, it will need to be registered and hosted on a web server. A web server is a simple computer program that dispenses web page files to your browser as they are requested. A server machine will generally have software running on it that allows it to act efficiently as a web server. The purpose of a web server is to store, process and transmit web pages to users browsing the internet.