What Is a Subdomain [Updated for 2022]

Ever visit a website and notice a small extension at the front of the URL? You may have typed it in manually or been automatically redirected. These extensions are subdomains, and subdomains have several applications in your ecommerce strategy. ​​

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What is a subdomain?

A subdomain is a section of a regular domain name. It’s an extension of the main domain that’s dedicated to a specific function or purpose. While most domain names are written as website.com, subdomains have a prefix that sends the user to a different destination. The subdomain might look something like shop.website.com or country.website.com, for example.

While subdomains are technically part of the main domain, they exist almost independently. You can change the look and feel for your subdomain page to distinguish it from your main domain, or you can keep the look and feel the same to maintain a consistent brand experience.

Is a subdomain a separate website?

A subdomain is not a separate website, but it is treated as such by Google.

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What is a subdomain used for?

Subdomains have many uses, including:

  • Selling internationally
  • Site testing
  • Optimize for mobile
  • Launch ecommerce
  • Contact
  • Client portal
  • Blog
  • Targeted selling

Selling internationally

Subdomains can help you stay organized and create location-specific experiences when you sell internationally. Your subdomain extension may be the abbreviation for the region, country, or continent. For example, you might use uk.website.com for shoppers in the UK and ca.website.com for Canadian-based customers. When you use a subdomain for each location, you appear more relevant and legitimate, giving shoppers more reason to trust your brand. You can use multiple subdomains if you sell in several countries.

You might also use the subdomain to accommodate different languages. The Spanish version of your website could be es.website.com, and French could be denoted as fr.website.com. This could be a more approachable way to manage your subdomains, since multiple countries/regions speak Spanish and multiple countries/regions speak French.

It all depends on the context of the website and what the experience is going to be like for the user. If you have country-specific pricing or shipping rules, for instance, you’ll want to use a subdomain for each country. But if it’s simply a matter of translating your website and making other content adjustments, you might look to use language-specific subdomains.

BioLite sells stoves, portable power stations, and other outdoor gear to customers all over the globe. The website gives users the option to self-select their location, choosing from the UK, US, Canada, Europe, and other locations. Each has its own dedicated subdomain indicating which region the site is for. UK customers are taken to uk.bioliteenergy.com, while US shoppers head to bioliteenergy.com. Canada and Europe are ca.bioliteenergy.com and eu.bioliteenergy.com, respectively, while all other regions go to row.bioliteenergy.com.

Site testing

Many ecommerce businesses use subdomains to create testing sites. These subdomains allow you to test your website or individual pages before you push them live. This is important because it lets you find and address any issues or bugs before the public has access—you can launch most new campaigns with confidence.

It might also be the case that you’re still building your site or aren’t yet ready to fully invest in it. Bandolera Clothing, for example, is on the Shopify domain because it’s using a free plan. The URL features myshopify.com at the end as the domain name—so bandolera-clothing-17 acts as the subdomain.

BandoleraClothing.png

When the brand is ready, it’ll upgrade to a paid plan and own its domain name—and perhaps create its own subdomains down the line as well.

Optimize for mobile

If you shop online using your smartphone, you may have noticed a letter m at the beginning of some site URLs. This is because those sites use a dedicated mobile subdomain for users on phones, tablets, and other small devices.

It’s important to create tailored mobile ecommerce experiences that differ from those your customers have on a desktop browser. Mobile responsiveness is the bare minimum—especially considering the opportunity online brands have when it comes to engaging mobile shoppers. Mobile commerce hit nearly $340 billion in sales last year in the US alone, and mobile shoppers spend an average $134 each purchase—a figure that’s trending upward. So there’s plenty of reason to consider the mobile shopper.

But mobile users have higher cart abandonment rates than people on other devices, clocking in at just over 85%.

cart abandonment rate

Creating a dedicated mobile website using a subdomain, such as the letter m, is one way to tailor your mobile experience without impacting the desktop experience.

Launch ecommerce

Not every ecommerce site started as an ecommerce site. Some websites start for other reasons. Your website may have originated as a blog, for example, and after building a solid audience you may have decided to monetize your blog through ecommerce. Or you could have launched an affiliate site that you later want to add an ecommerce arm to.

Some websites migrate to another software that’s built specifically as an ecommerce platform. But others don’t bother with migration and instead create a dedicated subdomain for ecommerce specifically. Many websites use shop as their subdomain—so you could do shop.yourwebsite.com. Other common words include store or buy.

Lady Gaga uses this approach to differentiate her regular website from her ecommerce site. When you visit ladygaga.com, you see lots of different content—not necessarily products for sale. That’s because someone visiting a celebrity’s website may not initially think of buying something.

LadyGaga.png

But people who click Shop, likely are interested in buying something and expect to see lots of items for sale. Lady Gaga keeps her ecommerce entity separate from her main branded site, making sure to provide something for everyone.

shop.ladygaga.png

Contact

Your Contact Us or tech support pages may also warrant a new subdomain, especially if your tech stack demands it. Endy mattresses uses a subdomain for its contact page, answers.endy.com. You could also use words like support, help, or contact.

Endy.png

Client portal

Similarly, you might have a client portal your customers can sign in to. Client portals are nice for shoppers because they can sign in to check on order status, previous orders, current promotions, loyalty program status, and more. And it’s nice for brands because customers are empowered to check on their order themselves, instead of taking time from your support staff every time they want an order update.

Seea doesn’t use a subdomain for its client portal, but the sustainable swimwear brand has a separate subdomain dedicated to returns and exchanges. Users visit returns.theseea.com to initiate a return or exchange. You’ll notice this subdomain has significantly limited functionality when compared to the main site, because it’s meant for one specific purpose.

Seea.returns.png

Blog

Some websites use a subdomain to separate their blog from the rest of the website experience. In many blog examples, the subdomain has distinct functionality that varies from the rest of the site. If you want to start a blog for your website, you may consider hosting it on a subdomain of your main site.

The Who Gives A Crap blog lives at blog.whogivesacrap.org, while the main domain is simply whogivesacrap.org.

TalkingCrap.png

Targeted selling

You can use subdomains to appeal to different audiences or business goals. You could create subdomains for specific customer segments or create a subdomain to rank for specific keywords.

GRAV has a subdomain for selling wholesale that lives separately from its consumer-facing site. While its regular domain name is grav.com, wholesale buyers will go to wholesale.grav.com.

Grav.png

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What is the difference between a domain and a subdomain?

The difference between a domain and a subdomain is that a subdomain acts as an extension of the domain. The domain represents a larger network of subdomains and webpages, while subdomains are a smaller subset of webpages that live at the same root domain.

Launch your domain (and subdomains) with Shopify

Managing a domain is complicated enough without throwing subdomains into the mix. That’s why you need a tech stack that simplifies everything in the back end for you.

When you register your domain and subdomains with Shopify, it immediately connects to your online store—no third-party apps or complex setup processes necessary.


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