What Is a Subdomain and When to Use It?

Written by Web Hosting Expert

Reviewed by Technical Editor

Updated November 29, 2024
What Is a Subdomain and When to Use It?

Domains are the core of the digital world. They serve as addresses for websites and are therefore essential to any website, including those managed through reseller hosting, where providers offer customized services to their clients. Currently, there are more than 367 million domains, with 170 million under the .com and .net extensions. This article will cover subdomains, including what they are, when and how to use them.

What Is a Subdomain?


A subdomain is a part of a larger website's address. It is a subsection of the main website.

It allows you to create separate sections, such as a blog, online store, or even a dedicated page for reseller hosting services, all under one primary domain.

This helps in organizing your website more efficiently and providing specific content for different purposes.

The full domain name consists of two main parts: the top-level domain (TLD) like .us, .com, or .net, and the second-level domain (SLD), which represents your brand or business name.

A subdomain, typically "www," sits before the SLD and, along with HTTP or HTTPS, forms the complete URL of your website.

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Subdomain Examples

Subdomains are used to segregate and organize different sections of a website for better navigation and content management. Here are some examples:

blog.websitename.com:

  • Focuses on the blog, distinct from the main site.
  • Allows for diverse content beyond just product-related articles.
subdomain example

support.website.com:

  • Dedicated space to customer support, separate from the homepage.
  • Enhances organization and navigability of support content.
subdomain example - google

en.website.com:

  • Specifies the site's language (English), useful for international audiences.
  • Supports multi-lingual content management, with counterparts like "es" for Spanish and "fr" for French.
subdomain example - wiki

Uses of Subdomains


Subdomains are used for organizing your website's content and its numerous functions more efficiently.

By separating your content and features with subdomains, you make it easier for your customers to navigate your website and find what they are looking for easily and quickly.

Having a website that is easy to navigate is quite important, seeing as around 38% of customers will leave a website if it has a poor and confusing layout.

Subdomains are also used for:

  • Launching career sites that are linked to your original site by using career.website.com

  • Creating a forum for your site by using forum.website.com

  • Creating a mobile version of your website by using m.website.com, which is essential because over 90% of Internet users globally use their mobile devices to browse the Internet, and 57% of users will not recommend a site that has a poor mobile design to others

Steps to Setting Up a Subdomain


1. Choose a Name: Think of a relevant one-word name for your website section to keep the URL short and clean.

2. Log into cPanel: Access your hosting provider’s cPanel and find the Subdomains or Add Subdomains option after choosing a name.

access your subdomain in cpanel

3. Enter Subdomain: Click the subdomain icon, enter your chosen name, and ensure the correct primary domain.

create a subdomain

4. Add DNS Record: In DNS settings, click "add" to create a new record, specifying what the subdomain connects to.

Make a new DNS record –

5. Create Subdomain: After adding the DNS record, click "create" and wait for activation (30 mins to 24 hours).

6. Set Up Website: With the subdomain active, set up a site (e.g., WordPress for your blog) that matches its purpose and content.

Can Subdomains Influence Your SEO Performance?


Subdomains affect SEO both positively and negatively. Here’s how:

Pros of Subdomains on SEO

Boost overall traffic by combining main site and subdomain traffic.
Backlinks from subdomains enhance domain authority
Subdomains focus on niche topics for better rankings
Seen by search engines like Google as separate entities, offering unique advantages
Cons of Subdomains on SEO

Risks diluting keyword effectiveness by overlapping keywords
It may confuse users and search engines
Each subdomain needs separate optimization, which means more work

SEO Tips for Naming Subdomains


Crafting the perfect subdomain name is crucial for maintaining a cohesive and intuitive online presence. Follow these best practices to ensure your subdomains enhance user experience and support your SEO efforts:

  • Use simple and predictable names like blog.yoursite.com or shop.yoursite.com.
  • Ensure your naming is consistent with your brand identity.
  • Stick to letters and numbers for broad compatibility.
  • Use relevant keywords judiciously for SEO benefits.
  • Consider geographically tailored subdomains, like us.yoursite.com, for a global reach.

Subdomain vs. Subdirectory: Key Differences


What should you choose between a subdomain and a subdirectory? Here are some key differences between both options to help you make a better decision.

FeatureSubdomainSubdirectory
URL Structureblog.website.comwebsite.com/blog
Content SeparationCreates separate websitesActs as pathways within the main website
Use Case: Online StorePreferredPossible, but less preferred
Use Case: BlogPreferredPossible, but less preferred
FunctionalityOperates as a separate websiteDoes not operate as a separate website
SEO BenefitsPreferred for SEO benefitsLess SEO benefits compared to subdomains

Subdomains vs. Multiple Domains: What's Best for Your Brand


Deciding between subdomains and multiple domains is crucial for your brand's online [strategy] (https://verpex.com/blog/reseller-hosting/10-reseller-hosting-marketing-strategies). This comparison table will help you understand the key differences and make an informed decision.

FeatureSubdomainsMultiple Domains
SEOSeen as part of the main site but distinct for targeting.Treated as completely separate sites.
OrganizationGreat for sorting content under one brand.Ideal for distinct brands or products.
User ExperienceSmooth navigation under one brand.Custom experiences for each domain.
CostMore budget-friendly.More expensive due to multiple domains.
ManagementEasier, with everything in one place.More complex with separate accounts.
Brand IdentityKeeps content aligned with one brand.Allows for different identities.
SetupStraightforward with hosting tools.More complex with separate setups.

Conclusion


Subdomains are a powerful tool for organizing your website, improving user experience, and boosting SEO performance. By creating dedicated spaces for different types of content, such as a blog, support site, or even reseller hosting services, subdomains make navigation clearer and more intuitive.

They not only enhance your site's structure and appeal but also provide significant SEO benefits, increasing online visibility and supporting your overall success.

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Frequently Asked Questions

What is a domain name?

A domain name is the name of your website. A domain name is a word or a phrase that people enter in their browsers in order to be taken to a certain website on the Internet.

What makes a certain domain valuable?

Valuable domains are usually memorable, easy to spell, pronounce, and short.

What is a top-level domain?

A top-level domain is the last part of the domain name, so it’s everything that goes after the final dot in the domain name.

How much does a domain cost monthly?

Usually, domain names cost from $0.99 to $12 per month. However, at Verpex, we offer a free domain name with our hosting packages.

Can using multiple subdomains have a security impact on my main website?

Yes. Subdomains can introduce security risks if not secured properly, potentially exposing the main domain to vulnerabilities.

What are the cost implications of creating and maintaining subdomains?

Cost of subdomains is minimal. Most hosting services offer subdomains for free, but managing them may incur indirect costs related to content and security management.

How does the use of subdomains affect website analytics and tracking?

You can configure your analytics setup to track subdomains accurately, allowing for separate or combined analysis with the main domain.

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