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Radix Releases UA Readiness Study of E-Commerce Platforms to Gauge Universal Acceptance for New TLDs

ICANN is preparing to open the door to another round of new gTLDs next year and a lot of people are getting ready to make a run at acquiring and administering a new top level domain of their own (as we told you last month, there is even a new book out explaining how to do it).

Of course, the process of launching new TLDs now has a fairly long history after hundreds hit the Internet over a decade ago. A good thing about that is you can better prepare by studying how previous new TLDs have performed since joining legacy TLDs like .com, .net and .org on the web. On that front, Radix, one of the most successful operators of multiple new TLDs from the first wave, just released a study detailing how new gTLDs have fared by one critical measure - Universal Acceptance (UA).

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If you want to sell new TLD domain registrations your customers are going to want know that any any enterprise they build on your new extension will work as flawlessly as possible on the web. To find out how the original new TLDs have done in meeting that objective Radix evaluated how well e-commerce platforms support domain names and email addresses that use new top-level domains.  

Driven by Radix’s commitment to improving user experience across modern domain formats, the study highlights the progress made, as well as the gaps that remain. The findings support the broader industry goal championed by the Universal Acceptance Steering Group (UASG), which aims to make the internet more inclusive and accessible for all users.

Radix evaluated 145 e-commerce platforms across 16 categories, including website builders, payment providers, email services, and social media management tools. The study tested whether email addresses using new short TLDs (three characters or fewer, for example, .fun and .uno), new long TLDs (four characters or more, for example, .online and .website), and Internationalized Domain Names were accepted during standard sign-up processes.

Key Findings:  

1) 14 out of 16 e-commerce platform categories showed full acceptance of new short and new long TLDs during user sign-ups.  

2) New short and new long TLDs achieved a combined acceptance rate of 98.6% across all platforms tested, indicating strong overall support for these domain types in sign-up workflows.  

3) IDN-based email addresses had an average acceptance rate of 39.31% across all platforms tested, indicating significantly lower support compared to new short and new long TLDs.  

Neha Nair, Trust & Safety Director at Radix, noted, “This study was driven by our intent to stay ahead of issues that users may face when adopting new top-level domains. As a registry operator, we see it as our responsibility to share insights that can support the advancement of Universal Acceptance. The findings highlight both the progress made and the work that still remains to ensure consistent acceptance of newer domain formats. We hope this research contributes to the collective industry effort to build a more inclusive and accessible internet.” 

Radix has shared the findings of this study with platform owners and developers to encourage improvements in email validation and domain acceptance. By identifying these gaps, Radix aims to help technical teams align their platforms with Universal Acceptance best practices.

Neha Nair

(Posted June 6, 2026)  

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