Modern Technological and Analytical Approaches in the Monitoring of Errors Generated by the Frontend Layers of Web Applications

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The purpose of the study was to investigate some analytical approaches to track user activity and monitor the errors occurring in frontend layers of web applications. Actually, it aimed to examine these techniques in order to determine the health of the website and improve its efficiency. In this paper, this topic is addressed by developing a website named “worldbusiness”. Thus, four approaches are used that Google tag Manager and Google Analytics are dedicated to tracking user behaviour, while Sentry and Rollbar are consecrated to monitor the errors; finally, to show the result, installed mentioned tools by inserting a snippet of JavaScript into web page. The research method used in the study was comparative research and is assumed that based on previous studies, using analytical approaches we can monitor the errors generated by the frontend layers of web applications. Due to the fact that this study concentrated on monitoring tools, there were several limits to the study. Specifically, because this research was conducted on a single website created by the author, it was unable to reach a wide range of users. As a consequence, the advantages and disadvantages of these techniques were investigated using a small statistical sample and previous research, which among of them, by GTM, all data was collected and user transaction, the number of times the pages has been visited, duration of time being on the website was recorded and displayed on GTM as a platform. Besides, by the sentry, the errors encountered by each user were recorded, and also the user’s URL and type of error.