How to Choose a Domain Name: 12 Rules That Work in 2026

To choose a domain name, keep it under 15 characters, make it spell the way it sounds, get the .com if you can, skip hyphens and numbers, and check trademarks and social handles before you pay. That is the whole method. The rest of this guide explains each rule, why it still matters in 2026, and exactly what to do when the name you want is already taken.

The short answer

A good domain name does three jobs. Someone hears it once and can type it. Someone sees it once and remembers it. And nobody can take it away from you. Every rule below serves one of those jobs.

If you are still at the idea stage, generate candidates first and apply these rules as a filter. The Domain Name Generator checks availability as it goes, so you only spend time judging names you can actually register.

Rules 1-4: Length, spelling, hyphens, numbers

1. Keep it short

Aim for 6 to 14 characters before the extension. Shorter names are easier to type on a phone and survive being read aloud. Every extra syllable is a place someone can misremember. Two words is the ceiling. Three words is a URL, not a brand.

2. Spell it the obvious way

If you have to explain the spelling, the name is costing you traffic. Creative misspellings (dropping vowels, swapping letters) were fashionable for a decade and most of those companies later bought the correctly spelled domain anyway. Say the name to five people and ask them to type it. If fewer than five get it right, change the name.

3. No hyphens

Hyphens are hard to say out loud, get dropped when people type from memory, and send that traffic to whoever owns the unhyphenated version. The only defensible use is a market where hyphenated domains are customary, and even then you should own both.

4. No numbers, unless the number is the brand

Is it "4" or "four"? "2" or "two" or "to"? A number creates instant ambiguity. The exception is when the number is genuinely the brand and you own the spelled-out variant too. If you cannot afford both, pick the letters.

Rules 5-6: The .com question and brandable vs keyword

5. Get the .com if you can, and be honest if you cannot

.com is still the default people type when they do not know the extension. That is the whole argument for it, and it is enough. If you own the .com, nobody can intercept the traffic of someone guessing your address.

That said, the alternatives are no longer second-class:

• .io — established for developer tools and SaaS. Audiences in tech will not blink. Consumer audiences may still type .com.
• .ai — the obvious pick for AI products, and prices have risen to match. Good if the product is actually AI; a stretch if it is not.
• .co — short and general-purpose, but it is one character away from .com, and that character is where your typo traffic goes.
• .app, .dev, .shop, .studio — descriptive new extensions. Fine for a product with a clear category; they read as slightly less permanent for a company name.

The rule: if your audience is mainstream consumers, prioritize the .com. If your audience is technical and the .com would cost you five figures, a .io or .ai is a reasonable choice as long as the .com is not owned by a competitor in your space.

6. Brandable beats keyword-stuffed

An exact-match keyword domain (bestcheapshoes.com) used to be a search advantage. It no longer is, and it caps the business at that keyword. A brandable name (a made-up or repurposed word) is harder to get initial traction with but has no ceiling. The middle path is a brandable word plus one descriptor, which is what most successful companies end up with. The Business Name Generator produces both styles side by side so you can compare them against the same brief.

Rules 7-9: Trademark, social handles, the phone test

7. Run a trademark search before you buy

A registered domain does not give you the right to use the name. If someone holds a trademark on it in your category, they can force you to hand the domain over and rebrand. Search the USPTO database at uspto.gov (and your local registry if you are outside the US) for the name and close variants. Look at the class of goods and services, not only the word. A trademark for a bakery does not block your software company; a trademark for software does.

8. Check the social handles at the same time

Your domain, Instagram, X handle, and LinkedIn page should be the same string or a predictable variant. Check the handles before you register the domain. If the exact handle is taken everywhere, pick one fallback pattern (get + name, name + hq, name + app) and use it on every platform.

9. Pass the phone test

Call a friend. Say the name once, without spelling it. Ask them to text it back. If what comes back is not your domain, you have a problem that no amount of marketing fixes. This one test catches homophones (rite vs right), silent letters, and names that sound like a different word when spoken quickly.

Rules 10-12: Variants, history, and buying early

10. Buy the obvious variants

Once you have the main domain, buy the ones people will type by mistake: the plural or singular, the common misspelling, and the .co or .net. You need the two or three a stranger would plausibly type, not all of them. Point them at your main site.

11. Check the domain's history

A domain that looks available may have had a previous life. Search it in a web archive to see what was hosted there, and check spam blocklists. A domain that used to host spam can carry search and email penalties that take months to clear.

12. Register it the moment you decide

Do not shortlist a name on Monday and plan to buy it on Friday. Registering costs about the price of lunch; waiting can cost you the name. Set auto-renew the day you buy.

What to do if the .com is taken

It will be. Most short English words and most two-word combinations have been registered for years. You have four options, in the order most people should try them.

1. Add a word. A prefix or suffix that describes what you do (get, try, use, hq, app, labs, studio) or a category word (name + coffee, name + health). This keeps the brand and the .com. It is the most common solution and the least risky.
2. Change the name slightly. Swap a word, drop a word, or move from a noun to a verb form. Often the second-best version of a name is available and nobody but you will know it was second-best.
3. Change the extension. Take the .io, .ai, or .co, but first look at what is on the .com. If it is parked or unrelated, fine. If it is a competitor, walk away; you will spend years sending them traffic.
4. Buy it on the aftermarket. Parked domains are usually for sale; a broker or the registrar's marketplace can get you a price. Short generic .coms cost thousands to hundreds of thousands; a quirky two-word .com is often a few hundred to a few thousand. Decide what it is worth to you before you ask, because the seller will anchor high.

Whatever you choose, do not buy a name you cannot say out loud without an explanation.

The 12-point domain name checklist

Run every finalist through this list. A name that fails more than two items is usually not worth the fight.

• Length — 14 characters or fewer, two words at most.
• Spelling — no creative misspellings; five out of five people can type it after hearing it.
• Hyphens — none.
• Numbers — none, unless the number is the brand and you own the spelled-out version.
• Extension — .com for consumer brands; .io/.ai acceptable for technical products if the .com is not a competitor.
• Brandable — the name can outgrow your first product.
• Trademark — searched the USPTO (or local registry) in your class; no conflicts.
• Social handles — available, or a consistent fallback exists on every platform.
• Phone test — passed with at least one person who has never seen the name written.
• Variants — the two or three obvious typos and the plural are yours or unowned.
• History — no spam past, not on blocklists.
• Registered — bought today, auto-renew on.

If you want to shortcut the first six items, start from names that already pass them. The Domain Name Generator filters for length and pronounceability and shows live availability, so you can spend your judgement on the checks that need a human.

FAQ

Does the domain name affect SEO?

Only at the margins. Search engines treat the domain as one weak signal among many, and exact-match keyword domains no longer get a meaningful boost. What affects SEO is the content on the site and who links to it. Choose the name for people, not for the algorithm.

Should I buy the .com if I am using a different extension?

If it is available at a normal price, yes, and redirect it. If it is parked and expensive, check what is there. An empty parked page is a nuisance; a competitor is a reason to reconsider the name entirely.

How long should a domain name be?

Under 15 characters is the practical target. The best names are typically 6 to 10. Longer names work for local or niche businesses where the name is descriptive, but they lose more traffic to typos.

Can I change my domain name later?

Yes, but it is expensive in time. You have to redirect every old URL, update every listing and profile, and rebuild some search trust. It is done routinely, and it is always more work than the founder expected. Pick carefully now so you do not have to.

Is a made-up word a good domain name?

It can be, if it is short and pronounceable. Made-up words are easier to register, easier to trademark, and have no ceiling. The cost is that nobody knows what you do until you tell them, so pair it with a clear tagline. Run it through the phone test first; invented words fail that test more often than real ones.