User intent or query intent is the identification and categorization of what a user online intended or wanted when they typed their search terms into an online web search engine for the purpose of search engine optimization or conversion rate optimization. When a user goes online, the goal can be fact-checking, comparison shopping, filling downtime, or other activity.
Though there are various ways of classifying or naming the categories of the different types of user intent, overall they seem to follow the same clusters. In general and up until the rise and explosion of mobile search, there are and were three very broad categories: informational, transactional, and navigational. However over time and with the rise of mobile search, other categories have appeared or categories have segmented into more specific categorization. 
- Web search query
- Keyword research
- Intent marketing
- Search engine optimization
- Conversion rate optimization
- Search engine result page
- Principle of least astonishment
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