Loading Speed of Modern Websites and Reliability of Online Speed Test Services

摘要

Loading speed of websites reflects the website's performance and has a significant influence on user experience and satisfaction. In this paper we analyze causes and consequences of slow loading of websites, followed by recommendations and comments on usual practice and feasibility. In the next part of the article we discuss a choice of the right online speed test in order to achieve an optimized performance of websites. Selected free online services are analyzed, with a focus on available functions and settings. Finally the issue of reliability and default settings of these services is discussed and tested by performing a series of repeated speed tests with a combination of settings.