Yes it is possible to run a masternode through a web host. To set up a masternode on a web host, you will need to follow a few steps. First you will need to choose a suitable web host that supports masternode hosting. Once you have chosen a web host, you will need to create an account and select hosting plan that meets your needs. Next is you will need to install the necessary software on your web host. This will typically involve connecting to your web host via SSH and running the installation commands for your chosen masternode software. Once the software is installed,you will need to configure your maternode by setting up a configuration file and generating a masternode private key. you will aslo need to send the required collateral to your masternode address. Finally you will need to start your maternode and monitor its performance.