The Extension Is Part of Your Brand
The part after the dot is the first thing people see after your name. Each extension carries different meaning, price, and trust — so choosing one is a brand decision, not a technical formality.
.com — The Global Default
.com is the world's most trusted extension. People type it by default and associate it with established businesses. It's usually the best choice if it's available — and it's the hardest to get for short, desirable names.
.ai — The Tech and AI Favorite
.ai belongs to Anguilla, but it has become the badge of artificial-intelligence companies. If your business is AI-related, a .ai domain signals the industry instantly. It's now one of the trendiest — and priciest — extensions around.
.io — Tech Culture's Classic
.io (Indian Ocean territories) became popular with startups and SaaS products for its tech-community vibe. It's short, modern, and widely recognized in developer circles, though less familiar to mainstream consumers.
.cn and Country Codes
Country-code extensions (.cn for China, .hk for Hong Kong, .de for Germany) signal a local presence and can require local registration rules. For mainland China, a .cn domain is often expected and can help with local search and hosting requirements.
Other Options Worth Knowing
.net: classic, trusted alternative when .com is taken.
.org: best for non-profits and communities.
.co: a .com-like option for modern brands.
.biz / .info: cheaper, but often perceived as lower quality.
How to Choose
Default to .com. If it's unavailable, choose based on your audience: .ai for AI companies, .io for tech products, a country code for local markets. Whatever you pick, make it easy to spell and say — the extension should never confuse customers.
The Bottom Line
Extensions signal different things: .com means established, .ai means AI, .io means tech, and country codes mean local. Pick the one that matches your audience, and treat the full domain as your brand's address.