Site Architecture

Definition

Site architecture (also called site structure or information architecture) is how your website's pages are organized, linked together, and presented to both users and search engines. A well-planned architecture ensures: every important page is reachable within 3 clicks from the homepage, topically related content is grouped together (topic clusters), internal linking distributes authority effectively, and crawlers can discover all pages efficiently. Common architecture models include: flat (all pages close to root — good for small sites), silo (content organized by topic/category), and hub-and-spoke (pillar pages linking to supporting content). Best practices include: using descriptive URLs that reflect hierarchy, implementing breadcrumb navigation, creating HTML sitemaps for users, maintaining XML sitemaps for crawlers, and using consistent internal linking patterns. Poor architecture — orphan pages, deep nesting, or confusing navigation — directly hurts both rankings and user experience.