Keyword research is a process of selecting words and phrases used to attract targeted visitors to a website. It involves analyzing search terms used in search engine queries, identifying related terms and topics, and determining which terms and phrases are most likely to be used by potential visitors to the website. Keyword research is important for search engine optimization (SEO) because it helps to determine the relevance of a website or page to a specific search query. Additionally, it helps to identify potential topics for content marketing and advertising campaigns.