The Overview of Web Search Engines

The World Wide Web allows people to share information globally. The amount of information grows without bound. In order to extract information that we are interested in, we need a tool to search the Web. The tool is called a search engine. This survey covers different components of the search engine and how the search engine really works. It provides a background understanding of information retrieval. It discusses different search engines that are commercially available. It investigates how the search engines find information in the Web and how they rank its pages to the give n query. Also, the paper provides guidelines for users on how to use search engines.