Dot .io #domain names are trending—Here’s why

Ever since the first registration of a dot .io domain in 1997, the ccTLD that Google treats as “generic” has grown to more than 1,100,000 domains.

Seen as a reference to “input/output” and thus attracting the computer crowd, the popular extension carries several characteristics, making it appealing to tech companies, gaming and e-sports websites, and even cryptocurrency and blockchain businesses.

Here are some facts about .io domain names:

  • According to WHOIS information in IANA, the first domain name under .io was registered in 1997, when Levi Strauss & Co. registered the domain
  • The unique branding opportunities provided by the .io TLD, which has strong ties to input/output (I/O) technology.
  • The .io TLD’s history, which dates back to its assignment to the British Indian Ocean Territory (BIOT) in 1997.
  • The impressive growth of .io, boasting 1,089,147 registered domain names as of March 2023 and a 32% YoY growth.
  • Most .io domains are hosted in the USA, India and Germany.
  • Just over 40% of websites with a .io domain name are available for indexing by search engine spiders.

Want to know more facts and figures about .io domains?

Simone Catania, Global Content & Communications Manager at InterNetX, has written an extensive article that covers just that.

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