OAZEE

Custom domain vs free subdomain: which is right for a small business?

Published November 14, 2026

Many website builders give you a free address: a subdomain like harbor-hair-studio.sitebuilder.com or a page like sitebuilder.com/harbor-hair-studio. The site works, and you can share the link with customers and put it in your social media bio. So why pay for a custom domain like harborhairstudio.com or harborhairstudio.eu?

The short answer: a free address is usually fine for testing an idea or for temporary pages. If you want your website to bring in customers for years, get your own domain from the start. Here's how they differ and how to switch from one to the other with as little disruption as possible.

How a custom domain differs from a free address

A custom domain is a name you register in your own or your company's name and renew for the period you choose: harborhairstudio.com. As long as you keep renewing it, you control it, not the platform your website is built on.

A website builder's free address sits inside someone else's domain. It's either a subdomain (harbor-hair-studio.sitebuilder.com) or a path (sitebuilder.com/harbor-hair-studio). The platform controls it: it gives you the address while you're a customer and decides what happens to it if you leave.

For a visitor, both open the same page. The difference shows up in trust, email, search and in where you'll be a couple of years from now.

Customer trust

Someone seeing your business for the first time makes up their mind in seconds. The address is one of the first things they notice: in search results, in an ad, on a business card.

For a café people find on a map, that's a minor detail. For a lawyer, an accountant, a clinic or a builder, where customers are trusting you with their money, health or home, it isn't. The pricier the service, the more small signs of credibility matter.

An address also needs to stick. A short custom domain is easy to read out over the phone and print on a shop sign. A long subdomain with someone else's platform name in it isn't.

Email on your own domain

An email from an address on your company domain, such as "info" or your name before the @ sign, looks more professional than one from a free personal inbox with numbers in the name, especially when you send a quote, an invoice or a contract.

With a website builder's free address, you usually can't get matching email: the domain's DNS records for email are controlled by whoever owns the domain, which is the platform, and few platforms offer that. With your own domain, you can set up email with any provider that supports custom domains.

Worth knowing: a domain and a mailbox are two different things. The domain says where email should be delivered; the mailbox itself is set up with an email service — your web host, your domain registrar or a separate email provider. Some mailboxes are free, some are paid. When choosing, check where you can edit your domain's DNS records for email and who will help you do it.

Search and brand

Search engines don't penalize a site for being on a subdomain. A good page on a subdomain can rank. But there are three practical points.

  1. Links point to a specific address. Links in business directories, map listings and other websites point to your current address. If the platform won't let you set up a permanent redirect from the old address when you move, you lose some traffic and some of the signals search engines rely on.
  2. A clear address helps people choose. Several results sit side by side in search, and the address is part of what people read before they click.
  3. A brand is built around a name. Your own domain matches your business name and reads the same everywhere: in ads, on packaging, on social media. For more on what affects search rankings, see one-page website SEO.

Moving to another platform

This is the strongest argument for a custom domain, and most people only think of it when it's too late.

Platforms change: you might outgrow a website builder, move to an agency or simply find a better tool. With your own domain, moving looks like this: build the new site, point the domain at it, and customers keep typing the same address. If your page addresses stay the same, or you set up redirects from old pages to new ones, existing links keep working too.

A free address doesn't work that way. It stays with the old platform, and you have to hand out a new address to customers and reprint your business cards. Whether old links still lead anywhere is up to the platform, not you.

How much a custom domain costs

The domain itself is a small expense. The prices below are rough guides: they depend on the domain ending, the registrar, taxes and exchange rates.

Custom domain costs

  • A standard, non-premium .com, .eu or country domain (such as .co.uk): usually from a few to a few dozen dollars, pounds or euros a year.
  • The first year is often discounted or free as a promotion, but renewal is at the regular price. Look at the renewal price, not the first-year deal.
  • Mailbox: free or from a few dollars, pounds or euros per user per month, depending on the service.
  • Connecting the domain to a website builder: on many platforms, only on a paid plan.

For comparison, reprinting a batch of business cards to replace the old address can easily cost more than a year's domain renewal. If you want to work out the total cost of a website, see how much does a website cost.

The golden rule: register the domain in your own name or your company's, not your web designer's or a friend's. Otherwise it isn't legally yours, and parting ways with a contractor can get complicated.

When a free address is enough

You don't always need a custom domain. A free address is a sensible choice if:

But if you're printing the address on business cards, running ongoing ads or want people to find you in search for years, don't put off getting a domain.

How to switch to your own domain with minimal loss

If you started on a free address and now want to switch, do it carefully:

  1. Register the domain in your own name or your company's.
  2. Connect it to your site following the platform's instructions, and wait until the site opens over HTTPS without browser security warnings.
  3. Check the redirect. Ideally the old address permanently redirects to the new one (a 301 redirect), with each page going to its matching new page. That way the links you've already shared keep working, and search engines understand the site has moved. Rankings may fluctuate for a while as search engines process the move; that's normal.
  4. Update the address everywhere it appears: social media profiles, Google Business Profile and directories, your email signature, ad campaigns, and business cards next time you print.
  5. Set up email on the new domain and let regular customers know about the new address.

Don't delete the old site or change its address right away, not until you've confirmed everything works on the new one.

How it works in OAZEE

With OAZEE, you can publish your first website for free at an address like oazee.space/site-name. That's enough to try things out and show the site to your first customers. Keep in mind: a free website with no visits for 90 days is archived.

On any paid plan, your website gets a free branded address, site-name.oazee.com (you can also choose oazee.eu; the available options are shown in your website settings). You can connect a domain you already own at no extra charge: on Start, to one website in your account; on Pro, to three; on Business, with no fixed limit. Once the connection is verified and the site responds over HTTPS, the domain becomes the main address, and visitors to the old address are redirected to it.

You can register a new .cz or .eu domain right in OAZEE. Once you've paid for an annual Pro or Business plan, one such domain is registered free for the first year; you pay for renewal separately. .eu has its own eligibility rules: it can be registered by EU citizens and residents and by companies registered in the EU. OAZEE doesn't sell mailboxes: you set one up with an email service, and if the domain is registered through OAZEE, you add its DNS records for email right in your website settings. See current terms on the pricing page.

Start on a free address and connect a domain when you're ready.

Describe your business in a couple of sentences and get the first version of your website in minutes.

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Frequently asked questions

Can I start on a free address and buy a domain later?

Yes, that's a normal path for a new idea. Just switch before the address has spread too widely, and check that the old address redirects to the new one.

Does a subdomain hurt search rankings?

A subdomain on its own doesn't stop you from showing up in search. The trouble starts when you move, if the platform won't let you redirect the old address to the new one.

Which domain ending should I choose?

The one your customers recognize. If you work in one country, use that country's ending, such as .co.uk in the UK or .ie in Ireland. If you work across several countries or the whole EU, go for .com or .eu. A short, easy-to-say name matters more than the ending.

Can I have email on a free subdomain?

Usually not: the platform controls the DNS records for email, and few platforms offer that. For email with your business name, you need your own domain.

What happens to my domain if I leave the platform?

If the domain is registered to you, it stays yours. You point it at your new site, and customers keep reaching you at the same address. That's exactly why you should register the domain to yourself, not to a contractor.

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