What is a Search Engine? A Search engine is a software that helps people to find the information they are looking for online using keywords. What are the Most Popular search engines? Google Yahoo Bing Baidu DuchDuckGo The Most commonly used search engine is Google. Over 86% of the search market share. Uses of Search engine You can search for information from the World Wide Web ( WWW ) Search engine is used to get accurate Details and information. It is used to store information for future use. All in One SEO Tool , Try it for Free.... 📶 CLICK HERE TO SIGN UP