Web hosting can be described as the service that allows the internet user to store any sort of information in the form of raw data, images, audio or video. Basically, any content that is accessible via web. The computer on which your graphics, html files etc reside is known as web host and the process of doing so is called web hosting. The main function of any web hosting company is to provide internet connectivity and a space on their server to the clients for storage of their data.