They offer you the space you should keep all your content material and so they additionally offer you the URL to tell the rest of the world wide web, the location of your website. That means when somebody places your website address into their browser or they click on on a hyperlink to it, the browser can discover it and display it. In the event you consider it in "offline" phrases, as of right now, you've an enterprise domain name however no workplace constructing and webspace to put the website on. A hosting firm gives you the plot of land so that you can construct on. Why you cannot host your personal host? Well the quick reply is if you happen to wished to you could.
But the longer and extra accurate reply is, except you may have sufficient funds, equipment, know how, and most significantly, time, it's not value for most people or small businesses to host their very own sites. Especially contemplating that web site hosting online is so inexpensive. When choosing an organization to host for you, it's best to consider your hosting needs. Are you simply going to have a private weblog? Possibly you're planning on building a web based retailer for individuals to buy and order products. Or possibly you're planning on hosting a number of web sites and will likely be storing a lot of multi-media files.