Some SEO-related tools such as the Google Keyword Planner and Google Analytics provide quantitative data to help you understand your market, analyze the trends, and know your competitors’ standings. It helps you identify popular and valuable keywords so you can decide how to structure or revise your content. It also gives you insights on your market’s behavior such as location, times of activity, frequency of searches, technologies used, product preferences, etc. All these metrics are useful in helping you get to know your audience, their needs, and their expectations.