Category-killer domains and what owning one really does

A category-killer domain is the exact-match .com for an entire market. insurance.com. hotels.com. cars.com. beds.com. One word, no modifier, the word the customer was already going to say. Across every commercially meaningful category in English there are only a few thousand of them, and almost all have been held continuously since the late 1990s.

Owning one does three things quite well. It fails to do about six others that buyers routinely assume come in the box. The distance between those two lists is usually the distance between a sound purchase and a very expensive trophy.

The three things you are actually paying for

1. Your explanation drops to nothing. A prospect who hears "we're beds.com" has no follow-up question. Every other kind of name, brandable or compound or modified, costs you a line of explanation in each ad, each cold email, each conference introduction. Now multiply that line by every impression you will ever buy in the life of the company. The asset isn't traffic. It's the removal of a tax you'd otherwise pay forever.

2. People assume you were here first. Buyers, partners and journalists take the owner of the category .com for the biggest or oldest operator in that category. The assumption is unearned. It is often flatly wrong. It works anyway, and it works where it matters: enterprise sales cycles get shorter, partnership emails get opened. If you sell into procurement departments or licence to large partners, this is frequently the single largest line of value on the page.

3. Some people still type it in. Category word, .com, enter. That behaviour is real and measurable, and in most categories in 2024 it is a trickle rather than a river. It has fallen steadily since browsers merged the address bar with search. Treat whatever type-in volume exists as a bonus rather than the thesis. If a broker's price rests mainly on projected direct traffic, ask to see server logs. Estimates are not evidence.

The half-dozen assumptions that don't survive contact

• It won't rank you. Exact-match domains lost their independent ranking benefit years ago. The category word will not outrank a competitor with better content and better links. It may lift click-through on results you already hold, which is a second-order effect and a modest one.
• It won't make you trademarkable. Generic terms describing what you sell are weak or unregistrable as marks. You can own beds.com and still have no grounds to stop a rival trading as Bed Company. The domain is a property asset. It is not intellectual property protection.
• It won't fix a weak product. The name buys attention on the first visit. After that you're on your own.
• It won't travel. An English category word means nothing across most of the world. If your growth plan is non-English-speaking, most of the premium evaporates.
• It won't stretch. Sell beds now, plan to sell all furniture by 2027, and the name that made you obvious becomes the name that pens you in.

Why two similar words can be priced ten times apart

Pricing on category killer domain names follows commercial value per customer far more closely than it follows search volume. Four things move the number.

• Lifetime value in the category. A word attached to a business with £4,000 customers prices nothing like the same word attached to £40 customers, even at identical search volume. Financial services, legal, healthcare and B2B software sit at the top of the table for exactly this reason.
• Whether the seller needs anything at all. Plenty of category .coms are held by profitable operating businesses or long-horizon investors with no carrying cost worth mentioning. A domain is not for sale at a price merely because you can meet it.
• Length and cleanliness. Single dictionary words outprice two-word phrases by a wide margin. Plurals and singulars can differ by an order of magnitude, and not always in the direction you'd bet on.
• How many plausible buyers exist. A word that suits one narrow trade attracts fewer bidders than a word that suits three.

Roughly, then: one-word .coms in minor categories trade in the five figures. Established commercial categories reach the mid and high six figures. The famous ones are seven and eight figures, and that small handful of eight-figure sales is why most people badly overestimate the market as a whole.

Buying one without paying retail for a feeling

Price the alternative first, and price it properly. Get a real quote on the modified version, getX.com or Xhq.com, or on a strong brandable, then work out what the difference genuinely buys in reduced explanation cost and shorter sales cycles. If you can't write that down as a number, you aren't valuing an asset. You're buying a mood.

Next, learn the shape of the market before you make contact. A proper keyword domain availability pass across the category, its near synonyms and its plural forms tells you whether you have one option or five. Buyers with one option pay full retail. Buyers with five negotiate.

Then the negotiation:

• Don't open from your company email if the seller can look you up and find your funding round. That isn't deception. It's declining to announce the size of your wallet in the first message.
• Ask what the seller wants, not what they'd accept. An open question about expectations frequently produces a lower anchor than the number you were about to guess at yourself.
• Look at a lease or instalments. A monthly payment on a keyword domain lets you run the name live and find out whether the assumed-incumbency effect converts for your business before you commit the capital. If it doesn't, you learned that cheaply. If it does, the payments usually credit toward the purchase.
• Escrow, every time. Neither side should pay or transfer first. On Names.com the transfer runs through escrow by default; sellers pay 15% on a completed sale and buyers pay nothing.

When a made-up word is the better asset

Buy the category word if you're the incumbent or intend to become one, your category is stable, your customers speak English, and your average order value is high enough that a shortened sales cycle repays the premium inside two or three years.

Buy a brandable if you expect to change what you sell, if you plan to raise money on the strength of a distinctive brand, if you need a trademark you can defend, if you sell beyond English-speaking markets, or if the category price exceeds roughly a year of marketing budget. A category-killer domain funded with money that belonged in the product is a bad trade. It is also a common one.

The unglamorous middle path suits more businesses than either extreme: a brandable on the front door, a keyword domain redirecting into it, catching whatever type-in exists without staking the brand on a generic noun. If that's the decision in front of you, get clear on what a keyword domain for brands is doing inside your funnel before you decide which name answers the door.