Registering a SEO friendly domain name helps with search engine optimization. Keep the domain name short and it will become easier to build a brand. However if you are planning to build niche specific website you should try to get a domain name that consists of the keywords. Most of such domain might have been gone but you can still do some research and find a great domain name. shorter and no “-“ in between. Do the keyword research using a tool like Ahrefs, SEMRush and find a SEO friendly domain name.