Jeff Reifman

patreon-badge-ncYou can follow me at @reifman or learn about my technology consulting.

This is part of an ongoing blog series on launching my startup Browse all posts in this series.

When you’re preparing to launch a new startup, the domain name is critical. However, there are fewer and fewer dot com names to choose from – and purchasing one can be expensive.

When I launched Geogram, I chose to purchase the dot com domain name. However, for my latest projects Filtered and EasyList, I decided to go with a new gTLD extension, .io. In geek terms, .io means input/output … but it’s also synonymous with the innermost of Jupiter’s moons. Google treats .io in search results like a generic domain extension – so it can be used globally by startups, whereas other country extensions might not show up when people run searches.

Many startups are now using .io extensions e.g. – so if you have a good concept, I think you can build the brand around this extension.

.io extensions are more expensive than .com domain names but there is much greater availability. What’s $30 annually extra for your awesome startup idea? has proven a useful tool to find available domains in various extensions e.g. .com, .io, et al. It also offers a handy iphone app. You might also check out’s new acquisition, LeanDomainSearch.

I’m using to purchase and manage my .io domains – so far this has worked well.

Domain investors do not yet value .io domains very highly on their own – so it’s best to purchase .io domains only as you see specific use for them. That said, I have invested in a few .io domains such as and


Posted by Jeff Reifman

Jeff is a technology consultant based in the Pacific Northwest.

One Comment

  1. i always recommend to new start-ups to have the .com.. so if you for instance started say you should also insure you have to go with it so you do not lose potential traffic when the domain name is spoken about.


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