New gTLD Report: Which Extensions Are Growing

Market Overview: A Shifting Landscape

The new gTLD program, launched over a decade ago, has matured into a diverse ecosystem. While early predictions of a wholesale replacement of legacy extensions like .com have not materialized, the data shows a clear trend: certain new gTLDs are carving out significant niches. Registration volumes for extensions like .io, .ai, and .xyz have surged, driven by specific industry demands. Meanwhile, premium sales in the secondary market indicate that short, memorable names in these extensions command high values. Enterprise adoption is also on the rise, with companies using new gTLDs for branding, product lines, and geographic targeting.

A key driver is the scarcity of good names in .com. As the primary namespace becomes crowded, businesses and individuals turn to alternatives. But not all new gTLDs are equal. The winners tend to be those that convey a clear meaning—.tech for technology, .store for e-commerce, .design for creative professionals. The losers are often generic or confusing extensions that fail to build trust or recognition. This report analyzes the signals from three angles: registration growth, premium sales, and enterprise adoption.

Registration Volume: Which Extensions Are Growing Fastest?

.ai: The AI Gold Rush

No extension has seen a more dramatic rise than .ai. Originally the country code for Anguilla, it has been repurposed as the de facto domain for artificial intelligence startups and projects. Registration volumes have doubled year over year since 2023. The extension benefits from a natural abbreviation that resonates globally. Many AI companies, from small startups to large enterprises, are securing .ai domains for their main web presence. This trend is likely to continue as AI permeates every industry. For more on this phenomenon, see our article on The .ai TLD Boom.

.io: The Startup Standard

.io, the country code for the British Indian Ocean Territory, has become synonymous with tech startups. Its popularity stems from its abbreviation for input/output, a term familiar to developers. Despite concerns about its political status, .io remains a top choice for SaaS companies, developer tools, and tech blogs. Registration growth has stabilized but remains strong, with millions of domains registered. It is particularly popular in the incubator and accelerator ecosystem.

.xyz: The Generic Contender

.xyz has positioned itself as a low-cost generic alternative. Its marketing campaigns, including the "Gen Z" push, have driven mass registrations. While many are speculative or parked, there is genuine use among individuals and small businesses. The extension has also seen high-profile sales, such as the $8 million sale of ai.xyz. However, its vast registration numbers include a high proportion of low-quality domains. For a broader view of popular extensions, check Most Popular Domain Extensions in 2026: Deep Analysis.

.tech, .store, .online: Niche Success

These extensions have found specific audiences. .tech is popular among hardware and software companies. .store is used by e-commerce sites, often as a secondary domain for campaigns. .online appeals to general businesses and personal brands. Registration growth for these is steady but not explosive. They benefit from being descriptive and easy to remember.

Premium Sales: Where the Big Money Goes

The secondary market for new gTLDs has matured. Premium sales—domains sold for five figures or more—are no longer rare. Analysis of aftermarket data reveals that short, one-word domains in .ai, .io, and .xyz fetch the highest prices. For example, ai.xyz sold for $8 million, and fly.io for over $1 million. Other notable sales include tech.ai and shop.store. The key factors are length, memorability, and keyword relevance.

The Rise of .ai Premiums

.ai domains have seen the most dramatic premium sales. Single-word .ai domains like chat.ai, agent.ai, and data.ai have sold for hundreds of thousands. This is driven by the AI boom and the limited supply of good names. Investors are betting on the long-term value of AI-related domains. For a guide on how to value such domains, see How to Value a Domain Name: Complete Guide.

.io and .xyz Premiums

.io premiums are driven by startup culture. Short, pronounceable .io domains are highly sought after. .xyz premiums are rarer but exist for highly generic terms. The market is more speculative, with many investors holding for future appreciation. The aftermarket overall is becoming more liquid, with platforms like Afternic and Sedo facilitating transactions.

Enterprise Adoption: Big Brands Embrace New gTLDs

Large corporations are increasingly using new gTLDs for specific purposes. This is a strong signal of legitimacy and utility. For instance, Google uses .dev for developer resources, and Facebook uses .fb. Many brands have registered their exact brand match in multiple extensions to protect their online identity. But beyond defense, enterprises are actively using new gTLDs for marketing campaigns, product launches, and geographic targeting.

Case Study: .dev for Developer Relations

.dev is a restricted extension requiring SSL, which has made it a trusted space for developer tools and documentation. Companies like Google, Microsoft, and GitHub use .dev domains for their developer portals. This builds trust and signals technical focus. Other restricted extensions like .gov and .edu have long been used, but .dev shows how a new gTLD can become a standard.

Geographic and Industry-Specific Extensions

Extensions like .london, .nyc, and .berlin are used by local businesses and tourism boards. Industry extensions like .pharmacy and .bank require verification, increasing trust. Enterprises in regulated industries adopt these to comply with standards and differentiate. The adoption by Fortune 500 companies is still low but growing, especially for .ai and .io.

Methodology and Data Sources

This report synthesizes data from ICANN zone files, public registries, and secondary market platforms like NameBio and Sedo. Registration volume data is from January 2025 to January 2026. Premium sales data covers publicly reported transactions over $10,000. Enterprise adoption is based on usage by companies in the Fortune 500 and top startups. Note that some new gTLDs have high registration numbers due to free or heavily discounted promotions, which can inflate figures.

Practical Implications for Domain Investors and Businesses

For domain investors, the key is to focus on extensions with real demand. .ai and .io remain strong bets, but the market is becoming competitive. Short, keyword-rich names in these extensions have the best potential. For businesses, choosing a new gTLD can be a strategic move if it aligns with your brand and industry. Avoid generic extensions that add no value. Consider using a new gTLD as a primary domain if .com is unavailable, but weigh the loss of familiarity. For more on aligning your digital identity, see Brand Name vs Domain Name: Align Your Digital Identity.

The Future Outlook

The new gTLD space will continue to evolve. We expect further consolidation, with a handful of extensions dominating. The next wave may come from industry-specific extensions like .health or .green. The success of .ai suggests that any extension that captures a zeitgeist can skyrocket. However, the majority of new gTLDs will remain niche. For investors and businesses, staying informed is key. Keep an eye on registration trends, premium sales, and enterprise moves. The namespace is expanding, and the opportunities are real for those who navigate wisely.