The underlying purpose behind a search query, classified as informational (learn), navigational (find a site), commercial (compare), or transactional (buy).
Search intent (also called keyword intent or user intent) is the reason behind a search query. Understanding why someone is searching determines what type of content they expect to find. Search intent is typically classified into four categories:
- Informational: The user wants to learn something ("what is domain authority") - Navigational: The user wants to find a specific page ("Moz login") - Commercial: The user is comparing options before buying ("best AI writing tools 2026") - Transactional: The user wants to complete an action ("buy Ahrefs subscription")
Google has become extremely good at detecting intent, and pages that match the dominant intent for a query rank significantly better than pages that do not, regardless of other SEO factors.
Matching search intent is arguably the most important ranking factor. A perfectly optimized page will not rank if it does not match what users actually want when they search for that keyword. If every result on page one for a query is a comparison article, publishing a product page for that query will fail.
Search intent also determines content format: informational queries favor long-form guides, commercial queries favor comparison tables and reviews, and transactional queries favor product pages with clear CTAs.
The keyword "best CRM software" has commercial intent. Users want to compare options, not read a definition of what CRM is. The correct content format is a comparison article with feature tables, pricing, and recommendations. Writing a "What is CRM?" guide for this keyword mismatches intent.
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