Exploring the performance capabilities of web applications using Visual Studio and JavaScript

Currently, I am in the process of conducting a web performance test on a webpage, and my goal is to calculate the time elapsed from when I click on a button to when the desired next page is fully rendered.

The challenge lies in the fact that there is a significant amount of client-side logic triggered by the button click. As a result, time passes while JavaScript processes before eventually sending a request to the server.

Web performance testing tools typically only record the back-and-forth exchange between the client and server, neglecting the crucial JavaScript processing time.

Is it possible to accurately measure the total time from button click to page loading, accounting for JavaScript execution time within Visual Studio Web Performance? If not, are there any alternative solutions available?

Thank you for your assistance.

javascriptweb-testing

Answer №1

The latest feature in Test Studio by Telerik focuses on tracking client-side processing time accurately. We analyze both server-side and client-side durations separately. Client times are determined by subtracting the server time from the total execution time of a specific test step.

If the following test step requires the output of the current test's JavaScript to proceed, then the client time for that step will include the duration needed for the JavaScript to complete its tasks. This is usually the scenario unless the next step involves a direct navigation process.

(Disclaimer: I am actively involved with Telerik as their Test Studio advocate.)

Answer №2

When it comes to measuring performance, there is a significant distinction between server-side performance under heavy loads and client-side rendering times. The efficiency of client-side rendering can vary based on the browser version being used.

If you are looking to conduct rigorous load testing, my suggestion would be to employ Visual Studio for gathering data on how swiftly the server handles HTTP requests. It is crucial to separate client-side rendering from functional and performance testing.

Browser plugins like YSlow, HTTPWatch, and Firebug enable you to examine page performance from a client's perspective.

Although I have not personally used Telerik Test Studio, it appears to offer a comprehensive suite of tools. Fortunately, they do provide a trial version for users to test out.

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