Choosing between a subdomain and your main website

For most small businesses, the better choice is your main website. Put your blog, shop, or extra pages at an address like yourbusiness.com/blog rather than on a subdomain like blog.yourbusiness.com. A subdomain only earns its place when the thing you're adding is genuinely separate from your main site, like a different product run on different software.

That's the short version. Here's what the terms mean, why the main site usually wins, and how to tell when yours is the exception.

What's the difference between a subdomain and your main website?

Your domain is your web address, like yourbusiness.com. Your main website is everything that lives under it. Pages added to it show up after a slash: yourbusiness.com/pricing, yourbusiness.com/blog. Those are just more rooms in the same house.

A subdomain puts a word in front of the domain, with a dot instead of a slash: shop.yourbusiness.com or help.yourbusiness.com. It uses your name, but it's set up as its own space. Think of it as a separate building on the same street. It can look identical to your main site, and visitors may never notice. The difference is mostly behind the scenes, and it matters for how you get found.

Why the main website is usually the better choice

When someone searches on Google, the search engine decides which sites look trustworthy and useful. Every page you publish, and every other site that links to you, adds to that picture. This is a big part of what people mean by SEO (search engine optimization, which is simply making it easier for the right people to find you).

If your blog lives inside your main site, everything you write counts toward that one site. Search engines often treat a subdomain as a separate site, though, so the credibility you've built on your main address doesn't reliably carry over. You can end up building two small reputations instead of one bigger one.

There are practical reasons too:

• One thing to look after. One design, one menu, one set of settings.
• Visitors stay put. Someone reading your blog sees your services in the menu, one click away.
• Simpler to measure. Your visitor numbers sit in one place instead of two.
• Easier for people to trust. One address that looks the same all the way through feels more solid.

So if you run a bakery, a consulting practice, a salon, or a local service business, and you want to add a blog, a shop, or a few new pages, put them on the main site.

When a subdomain makes sense

Subdomains aren't a mistake. They're the right tool when the new thing really is its own project. Use one if any of these describe you:

• It runs on different software. If your help desk, booking tool, or web app is provided by another company and they give you a subdomain to point at it, that's what it's for.
• It serves a different audience. A separate product, a separate brand, or a customer login area with little overlap with your main site.
• You need a safe place to test. A practice copy like test.yourbusiness.com lets you try changes before the public sees them.
• It's a different country or language run by a different team. Larger businesses sometimes split these off.

Here's the rule of thumb: if a customer would think of it as part of your business, keep it on the main site. If it's a different product that happens to share your name, a subdomain is fine.

How to decide, and what to do next

Ask yourself three questions:

1. Is it about the same business and the same customers? If yes, use the main site.
2. Does it need to run on separate software I can't change? If yes, a subdomain is probably your only option.
3. Do I want my blog posts to help my main site get found? If yes, use the main site, because that's where the benefit comes from.

If you've already set up a subdomain and it's a blog or a few ordinary pages, don't panic. Many small businesses start that way. You can move the content onto your main site later, but do it carefully so old links still lead somewhere. If you're unsure, ask the person who built your site before you change anything.

If you're starting fresh, SimplePath lets you build a website by describing what you want, so adding a blog or a store as part of one site is a natural first step instead of a technical project. You can see what SimplePath can build, from sites and stores to blogs and member areas, and check what each plan includes before you commit.

Already have a site and wondering how it stacks up? Try the free website grader to score it. And if your setup is a little unusual, get in touch and we'll point you in the right direction.