The Core Three
The extensions that matter for 99% of use cases. Learn these first.
.com
The original, the default, the king. Still the most valuable TLD in 2026 by nearly every measure.
Reg Cost
$9–$12/yr
Avg Sale 2025
$23,264
.ai
Fastest-growing TLD on the internet. Registrations up 16x since 2022. Category signal for AI-native products.
Reg Cost
$68–$200/yr
Avg Sale 2025
$239,516
.io
Developer favorite facing geopolitical uncertainty from the Chagos Islands sovereignty transfer.
Reg Cost
$27–$55/yr
Avg Sale 2025
$24,661
Credible Alternatives
When .com isn't available or isn't right, these are the legitimate options.
.co
The most .com-like alternative. Popular with startups (Angel.co, About.co). Visually similar to .com.
Reg Cost
$12–$30/yr
Avg Sale 2025
$15,199
.net
Classic secondary TLD. Legacy credibility, but overtaken by .io and .ai in modern relevance.
Reg Cost
$11–$15/yr
Avg Sale 2025
$20,864
.org
Trust TLD for nonprofits and mission-driven brands. Aftermarket prices nearly quadrupled in 2025.
Reg Cost
$8–$13/yr
Avg Sale 2025
$51,747
Tech-Focused Extensions
Purpose-built TLDs for specific technical use cases.
.app
Google-operated, HTTPS-required by default. Surpassed .io in new registrations. Strong for mobile/SaaS.
Reg Cost
$12–$20/yr
Avg Sale 2025
$42,718
.dev
Developer-focused, Google-operated. Avg aftermarket prices up 122.9% in 2025 — fastest-rising tech TLD.
Reg Cost
$12–$20/yr
Avg Sale 2025
$36,854
Specialty & Niche TLDs
Specific use cases and cautionary tales.
.me
The personal brand TLD. Ideal for portfolios, consultants, creators. Stable Montenegro ccTLD.
Reg Cost
$3–$20/yr
Avg Sale 2025
$12,752
.xyz
High registration volume, low value. Aftermarket prices dropped 43.6% in 2025. Handle with care.
Reg Cost
$1–$13/yr
Avg Sale 2025
$3,038
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