Domain Extensions
According to website.com, “Your domain extension has no effect on your search results ranking. The only exception is country-code top-level domains, such as . ... These domain extensions will significantly affect your website's ranking on a geographical search level.
Which domain extension is best for SEO?
net and . org, .com has become the default domain extension, and therefore the most memorable. This, in essence, is why .com is the best domain extension for SEO. As .com domains are the most powerful, they have become more popular.
Does extension affect SEO?
To wrap up, using an alternate domain extension does affect SEO. But whether the impact is negative or positive depends on the TLD you choose. Remember that the TLD is still an important piece of your domain name.