Keyword research without paid tools primarily leverages free online resources and observational strategies. It begins with brainstorming core topics and utilizing Google's autocomplete suggestions as initial seed keywords. Further expansion involves thoroughly analyzing the "People also ask" section and "Related searches" at the bottom of Google SERPs, revealing common questions and associated queries. Delving into online forums, Reddit communities, and Q&A sites helps identify the exact language users employ, their specific pain points, and emerging niche topics. One can also manually explore competitor websites and their content strategies to infer keywords they target, observing their blog posts and product descriptions. Additionally, utilizing Google Trends helps gauge keyword popularity and seasonality, aiding in prioritizing terms with growing interest. For existing websites, Google Search Console offers invaluable insights into current organic performance and discoverable search queries, allowing for optimization based on real user data.