What is Domain Structure?
The organization of URLs and page hierarchy within a website determines how search engines crawl and understand site content. A well-planned URL structure improves crawlability, distributes link equity effectively, and helps users navigate your site.
Ecommerce SEO Glossary > AI / LLM SEO > Domain Structure
What You Need to Know about Domain Structure
Impact on Crawlability
A logical site hierarchy helps search engines discover and index pages efficiently. Poor structures with too many clicks from homepage can limit crawl budget effectiveness.
URL Best Practices
Strong URL organization keeps paths short, descriptive, and logical. Use hyphens between words, avoid unnecessary parameters, and reflect content relationships clearly.
Subdirectories vs Subdomains
Within your site architecture, subdirectories (site.com/blog) consolidate authority better than subdomains (blog.site.com), which search engines treat separately. Choose subdirectories to maintain unified ranking power.
Link Equity Distribution
Strategic internal linking within a logical URL framework passes authority to important pages. Deep pages in poorly structured sites often struggle to rank due to diluted link equity.
User Experience and Navigation
Intuitive URL patterns help users understand their location within a site. This organizational clarity improves navigation, reduces bounce rates, and increases the likelihood of conversions.
Common Mistakes to Avoid
Excessively deep hierarchies, inconsistent URL patterns, and dynamic parameters create crawl issues. Restructuring your site’s URLs later requires careful redirects to preserve rankings and avoid broken links.
Frequently Asked Questions about Domain Structure
1. How many subdirectories deep should pages be?
Most pages should be accessible within three to four clicks from the homepage. Deeper hierarchies can limit crawl efficiency and dilute page authority through the site structure.
2. Should I use subdomains or subdirectories?
Subdirectories are typically better for SEO because they consolidate domain authority. Use subdomains only when you need distinct branding or completely separate site functionality.
3. Can I change my URL structure without losing rankings?
Yes, but requires proper 301 redirects from old URLs to new ones. Plan redirects carefully, update internal links, and monitor traffic closely during the transition period.
4. Do keywords in URLs still matter for SEO?
Yes, descriptive URLs with relevant keywords help both users and search engines understand page content. Keep them natural and focused on clarity rather than keyword stuffing.
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