Make your domain name easy to remember and keep the domain name short. Shorter is always better! Avoid any hyphens & numbers.
Choose unique name
If you are marketing yourself, you can use your name (johnsmith.com or janesmith.com). If you are marketing your business, choose unique business name (yourbusiness.com) and check if available.
Make it brandable
Your domain name will be your brand. Some names speak for themselves, when you hear the name, you know what the website is about.
Know your audience
Make it relevant to your audience or your potential customers.Target keywords in domain names are important.