A first-level domain name is also called a top-level domain name. Is the rightmost character group of the domain name.

Top-level domain names are divided into three categories:

First, national top-level domain names (ccTLDs). At present, more than 200 countries have allocated top-level domain names according to ISO3 166 country codes, such as cn in China and jp in Japan.

The second is generic top-level domain names (gTLDs), such as. Industrial and commercial enterprise network. Net to network providers. Org is a non-profit organization.

Third, more than 1000 new top-level domains have been added, such as. xyz，。 The top of the "high-end". Red stands for red. Men are "people".

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Domain names should be concise and easy to remember and enter.

This is the most important factor to judge the quality of a domain name. A good domain name should be short and fluent, easy to remember, and it is best for people to remember it at first sight, and the pronunciation should be clear when reading, which will not lead to spelling mistakes. In addition, domain name selection should also avoid homophones.

Domain name should have certain connotation and significance.

Using words or phrases with certain meanings and connotations as domain names is not only easy to remember, but also helpful to realize the marketing objectives of enterprises. Such as enterprise name, product name, trademark name, brand name, etc. They are all good choices, which can make the online marketing goals and non-online marketing goals of enterprises agree.