The major reason a website is built is to have it seen by the world, by customers, friends or family. The easy part is choosing a domain name, finding a place to host your website and in some cases writing the information you want to be seen by all.
If you are selling something on your site than visitor to sales ratio (or we can also say it as Conversion rates) is very important.Expers says that generally visitor ration of any sites is average 1%. That means after every 100 visitors you will get one selling.