A search engine is a software program or tool that enables users to search for information on the internet. It works by indexing web pages and other online content, organizing them based on relevance, and providing users with a list of results that match their search query. Search engines use complex algorithms to determine the relevance of web pages to a user's search query. These algorithms take into account various factors such as keyword usage, website authority, user engagement metrics, and many others. , search engines aim to provide the most accurate and helpful results to users.