There are several reasons why libraries are hesitant to take action to improve the problem. With the advancement of technology and the increase in the amount of content available on the internet, it has become more difficult for users to find and use information, as well as for content providers to classify and catalog documents. With the passage of time, various strategies and technologies for handling information more quickly and effectively have arisen. This book examines search engines, which are a useful tool for library personnel. The book examines different elements of search engines, such as the history of search engines and how search engines work.