.com vs .net vs .io vs .co vs .org: Which Domain Extension Is Right for Your Business?

The Short Answer

Get .com if you can. If the .com you want is taken, the decision depends on your business type, your audience, and what the alternative extension communicates. The rest of this guide explains the specifics so you can make an informed choice — not just default to whatever the registrar suggests as an upsell.

.com — The Default Standard

Managed by: Verisign
Registrations: 163.6 million as of Q1 2026 (source: Domain Name Industry Brief Q1 2026)
Typical cost: $10–$15/year

.com was one of the original six top-level domains created in 1985, intended for commercial entities. It long ago ceased to be restricted to any particular type of organization — anyone can register a .com — and has become the default global web extension by sheer ubiquity and cultural expectation.

The practical case for .com is not that it ranks better in search (Google has stated that TLD choice does not factor into rankings for generic TLDs) or that it conveys special authority — it is that it is what people type by default when they hear or see a business name. When someone hears "vortex media," they try vortexmedia.com. If you own a different extension and not the .com, you are sending some of your word-of-mouth traffic to whoever owns the .com for your name.

When .com is the right choice: Almost always, if the name you want is available. For consumer-facing businesses, local service businesses, e-commerce, and professional services, .com is the clear default.

.net — General Purpose, Second-Best

Managed by: Verisign (same registry as .com)
Registrations: 12.4 million as of Q1 2026 (source: DNIB Q1 2026)
Typical cost: $10–$15/year

.net was originally designated for network infrastructure providers — internet service providers, networking companies. That restriction no longer exists; anyone can register .net. It is now a general-purpose fallback when the .com equivalent is taken.

The honest assessment: .net is recognizable and carries no negative associations, but it is immediately perceived as second-choice by most visitors who know the .com was taken. For a business where the .com for your exact name is genuinely unavailable and you cannot find a better .com alternative, .net is a reasonable fallback. For businesses where brand credibility is important, it is worth considering whether a different base name with an available .com would serve better.

When .net works: Technology companies, agencies, and professional services where the audience is web-savvy and understands that .net is a legitimate extension. Less ideal for local service businesses, healthcare, legal, or any context where a less web-familiar audience types what they expect rather than what they are told.

.org — Nonprofits and Mission-Driven Organizations

Managed by: Public Interest Registry
Registrations: Approximately 10 million (part of the ~20.5 million legacy gTLD count excluding .com and .net, per DNIB Q1 2026)
Typical cost: $10–$15/year

.org was originally designated for non-commercial organizations. Like .net, it is now open to anyone. Unlike .net, it has retained a strong association with nonprofits, charitable organizations, open-source projects, advocacy groups, and educational initiatives. That association works in your favor if your organization fits those categories — and against you if it does not.

When .org is the right choice: Nonprofits, 501(c)(3) organizations, foundations, open-source projects, advocacy organizations, and educational initiatives. The extension signals mission-driven rather than commercial, which is accurate positioning for these entities.

When .org is the wrong choice: For-profit businesses. Using .org for a commercial enterprise can create confusion about your organizational structure and, for some audiences, trigger skepticism about whether you are actually a nonprofit.

.io — The Tech Startup Extension

Country code for: British Indian Ocean Territory
Typical cost: $40–$60/year (significantly higher than .com)
Character: Strongly associated with tech startups and SaaS companies

.io is a country-code TLD (ccTLD) assigned to the British Indian Ocean Territory — but it is used almost exclusively as a generic tech industry extension, leveraging the .io notation from computer science (input/output). Major tech products have launched on .io, and the extension has become a recognizable signal of startup and SaaS culture in English-speaking tech markets.

The case for .io: if your intended .com is taken and you are building a SaaS product, developer tool, or technology company targeting a tech-savvy audience, .io is broadly understood and accepted in that audience. It is not the fallback it would be for a plumber or a law firm.

The case against .io: it costs significantly more than .com, the association is strongly niche (it signals tech to tech people and signals nothing intelligible to general audiences), and country-code TLD transfer procedures differ from gTLDs and vary by registry. For businesses outside the tech sector, .io carries none of the association benefits and all of the cost disadvantage.

When .io works: SaaS companies, developer tools, API products, tech startups targeting a developer or startup audience where the extension is immediately recognized.

.co — The "Company" Alternative

Country code for: Colombia
Marketed as: A .com alternative meaning "company" or "commerce"
Typical cost: $25–$35/year

.co is Colombia's country-code TLD, marketed internationally by Registry.co as a global alternative to .com. The pitch is that .co stands for "company," "commerce," or "community." It has gained some traction, particularly among startups looking for short, memorable domains when the .com is unavailable.

The practical limitation: most internet users still read .co as an incomplete .com — expecting the missing "m" — which creates persistent confusion and potential for lost traffic to the .com equivalent. The marketing positioning of .co as a standalone brand has had moderate success in startup culture but limited penetration in mainstream consumer awareness.

When .co is worth considering: Startups and new brands where the .com is unavailable, the audience is web-familiar, and a short memorable domain is a priority. Caution: check whether someone else owns the .com equivalent and what they are using it for — if the .com is a competitor or a large brand, the confusion risk is high.

New gTLDs: .app, .dev, .shop, .store, .online, and Others

ICANN launched a new gTLD program starting in 2014, adding hundreds of new extensions to the domain name system. As of Q1 2026, new gTLD registrations totaled approximately 37.8 million, making this the fastest-growing segment of the domain market (source: DNIB data).

Some new gTLDs have established meaningful market positions:

• .app — managed by Google Registry; requires HTTPS (HSTS preloaded), widely used by mobile and web app products
• .dev — managed by Google Registry; also HSTS preloaded; popular with developer tools and open-source projects
• .shop / .store — descriptive for e-commerce; recognizable for what they signal
• .ai — technically a country code (Anguilla) but widely used by artificial intelligence companies; similar dynamic to .io

Most other new gTLDs have limited consumer recognition outside their specific niche. The risk with niche extensions is that the audience unfamiliar with them will misread or mistype the domain.

TLD Choice and SEO

Google has stated publicly that generic TLDs — .com, .net, .org, .io, .co, .app, and others — are treated equally in terms of search ranking. The TLD itself is not a ranking signal for these extensions. A well-built site on .io has the same ranking potential as the same site on .com, all else being equal.

Country-code TLDs that are used geographically (a .uk site for a UK business, a .de site for a German business) signal geographic relevance to Google and can rank better in local search results for that country — which is their correct use case. Using a ccTLD like .io or .co as a global extension loses this geographic signal, which is generally fine since the intent is global rather than local.

The indirect SEO effect of TLD choice is through brand memorability and direct traffic. A domain that is easy to remember and type correctly generates more direct visits and organic link acquisition than one that causes confusion. This is an argument for .com when the audience is general.

Decision Framework