Client-side performance testing ensures that the application performs well and provides a significant user experience via advanced front-end technologies and dynamic web content. Read this expert series to know more.
Technology is evolving and we all aim for better user experience. Product companies utilize technologies like React and AngularJS to enhance the application's front-end and make it more interactive and intuitive.
The front-end performance testing of an application plays an important role in determining the overall performance of the application. Following are the key steps you should consider:
| Key Factors | Client-Side | Server-Side |
|---|---|---|
|
Scope
|
Evaluate end-to-end scenarios
|
Evaluate logical scenarios
|
|
Focus Area
|
Rendering of front-end elements like CSS and JavaScript files
|
Server response time and application behavior under user load
|
|
Workload Modeling
|
Single user perspective
|
One or more users load
|
|
Test Infrastructure
|
Need different clients (desktop and mobile browsers) and servers
|
Need dedicated servers only for running tests and no major dependency on web browsers
|
Using shift-left testing approach, you can integrate the performance tests with any of the continuous integration (CI) tool similar to unit and functional tests. You can evaluate the performance of the application in the early stage of the development. Through CI and monitoring tools, the client-side performance can be evaluated for every commit made by the front-end developers.
Additionally, you can also develop a framework to integrate the performance tests with UI automation tests and run both the tests in parallel. This is popular approach followed by QA companies nowadays.
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