Subdomain vs Subdirectory: Which Is Better For Your SEO?

Subdomain vs Subdirectory

To enhance the website presence, marketers always debate about subdomains vs. subdirectorys. Both options have their pros and cons on the website.

However, in the case of SEO, it has a strong effect on marketing. In this post, you’ll learn more about the subdomain and subdirectory for SEO to help you make an informed decision.

What Is The Difference Between Subdomain Vs. Subdirectory?


It can be facilitated to visualize a subdirectory as a file that has different file holders. The folder sits on the same cabinet, but all of them have unique details.

These small sections are also referred to as subfolders because of their nature.

With this mode, you can do indefinite adding of subdirectories until you have all your content nested ad infinitum, too.

Subdirectories are folders that are situated beneath the main domain, like “” You use these to distinctly arrange the content of your website within a single domain.

Subdirectories become an integral part of the main domain and consolidate SEO authority, which aids with the search engines.

Therefore, this implies that all the backlinks and any search terms that direct to a subdomain promote the overall holding up of the domain’s authority used by a digital marketing agency in Houston. 

Subdirectory Layouts Are Useful

Subdirectory Layouts Are Useful

Websites containing more comprehensive information will always appear more authoritative than websites that are only concerned about a particular detail of a certain topic.

For example, Google intentionally doesn’t choke up on the search results and will give you sites that are less granular but still authoritative and useful enough.

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However, a site that can be inclusive of all the variety and depth of the topic would then be more encompassed as an authoritative source.

There can be more than one reason why the site may decide to adopt subfolders rather than the subdomain structure.

The second approach of the subdirectory layout is that there is a considerable amount of shared content between the various sections.


The simplest way of thinking about a subdomain’s architecture is to regard it as a “folder” of its own, which is quite separate from content management, analytics, etc. With no nesting, subdomains stand next to one another.

By using a subdomain, users can now follow a separate path pointing to a root domain URL.

Rather than the main domain URL being a common base for all the folders, each of them has its own domain, and they all lie on the same record level.

The whole spectrum has no sub-directories (or has a few if they do) because they all perform pieces of the whole, and that is all.

Also, the digital storage environment is like a multi-file cabinet. All the files are placed in individual file drawers instead of in one file cabinet.

Subdomains are used for a variety of reasons that are similar from one organization, entity, or business to the next, including:

  • Blog site
  • Mobile sites. While mobile content strays from that of the desktop in the way they are structured, the content itself remains relevant.
  • Intra and international websites
  • eCommerce sites

SEO Subdomains- Why to use them

In addition to this, content can also be hosted on a subdomain for SEO purposes.

SEO Subdomains Why to use them

For instance, if a website has a content area that is not related to its main content, this area can be treated as a separate site.

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For the publisher, a subdomain can be the best choice where that part is hosted on a subdomain to visually separate it from the main site but keep it within the brand’s umbrella.

Whether that’s done for SEO reasons or not, it is another example of how one could separate one section of the site with a topic that is not the same as the rest of the site, where the section is static. It has everlasting topics and the rest of the site is in a constant state of change.

However, it’s difficult to say if this would be the case as far as search engine performance since this depends on the perspective.

On the other hand, it is the trick done for SEO purposes to allow a dorsal to rank by itself without the influence of the main site, and it also works the other way around.

Which Option Is Best For Your SEO?

The most important consideration for whether a subdomain suits users is the fact that it does. Despite the fact that they all provide SEO, branding, and technical benefits, there are still some notable differences to keep in mind when choosing one over the other.

Nevertheless, when it is clearly logical for users to assume that an individual section belongs with the rest of the site, the use of subdirectories is the most effective approach to organizing the site of a website.