Why the extension matters
Your domain extension (TLD) affects trust, recall, and even SEO perception. While Google treats most extensions equally in rankings, users trust .com most. The right extension reinforces your brand and industry — .ai signals artificial intelligence, .io signals developer tools, and .com signals mainstream credibility.
.com — the default choice
The .com extension remains the most recognized and trusted globally. If a .com version of your name is available on a premium marketplace, it's usually worth the investment. It reduces friction in word-of-mouth and email deliverability.
.ai and .io — for tech and AI brands
The .ai extension has exploded in popularity for artificial intelligence and machine learning startups, while .io is a favorite among developer and SaaS tools. Both signal innovation, but they cost more to renew and are less familiar to non-technical audiences.
.co and new TLDs
.co works well as a short alternative to .com and reads as 'company' or 'community.' Newer TLDs like .app, .dev, and .tech can fit specific niches but may require more brand education. When in doubt, secure the .com and use a niche TLD as a secondary.