NavBoost is a central ranking system used by Google to analyze user behavior and improve the quality and relevance of search results.NavBoost helps make search results pages more accurate and user-centric by analyzing click data and other user signals.It collects data on user behavior like click frequency and dwell time to assess the relevance of search results.NavBoost can determine user intent behind a search query based on user behavior, influencing the ranking of websites in Google searches.