It is an arrangement where you allow an agency to host your website for you on their Web Server for a fee.<br>The World Wide Web is a massive collection of web sites, all hosted on computers (called web servers) all over the world.<br><br><br>The web server (computer) where your web site's html files, graphics, etc. reside is known as the web host.<br><br> Web hosting clients simply upload their web sites to a shared (or dedicated) webserver, which the ISP maintains to ensure a constant, fast connection to the Internet.