Performance evaluation and comparison of the five most used search engines in retrieving web resources
Purpose - The purpose of the paper is to evaluate the performance and efficiency of the five most used search engines, i.e. Google, Yahoo!, Live, Ask, and AOL, in retrieving internet resources at specific points of time using a large number of complex queries. Design/methodology/approach - In order to examine the performance of the five search engines, five sets of experiments were conducted using 50 complex queries within two different time frames. The data were evaluated using Excel and SPSS software. Findings - The paper results highlight the fact that different web search engines, which use different technology to find and present web information, yield different first page search results. The overall analysis of the findings of different measures reveals that Google has a significantly higher rate of performance in retrieving web resources as compared with the other four search engines. Yahoo! is the second best in terms of retrieval performance. The other three search engines did not performed satisfactorily compared with Google and Yahoo! Originality/value - The paper will provide important insight into the effectiveness of major search engines and their ability to retrieve relevant internet resources. This paper has produced key findings that are important for all web search engine users and researchers, and the web industry. The findings will also assist search companies to improve their services.
search engines worldwide web information retrieval