Though it isn't a necessity for every website, it has some important advantages. There are many benefits to having a domain name. If for some reason you need to change your Internet Service Provider, for example if your business moves, you will have to change your website address and email addresses unless you have a domain name. With a domain name, the name and email addresses move with you to your new provider. This can save a great deal of time and expense, especially if you have an extensive email list.
Some search engines give priority to websites with specific keywords in their domain name.
Not every business, of course, can have the type of business in their domain name, but if you can, it might help your listings in some search engines. The cost of owning a domain is very reasonable for the benefits it offers. Recent changes have opened up the registry system so that a number of other companies now also provide registration services. Other registrants charge similar fees or less. The fees for the first two years are normally due at time of first registration and are payable directly to the registry.