An excellent performing application should be loaded before the user feels any perceived delay.

Why is Performance Essential for an Application?

 

  • 57% of online shoppers wait less than 3 seconds before abandoning the site.
  • A one second delay is equivalent to a 7% loss in conversions.
  • 11% loss in page views.
  • 16% decrease in customer satisfaction.

Performance testing is nothing less than ensuring the application is performing well under the load. Performance testing is a type of non-functional testing. It is usually conducted in a controlled environment after completion of the development and QA teams sign off on functional testing. The objective of executing performance testing is not to find bugs in the workflow of the application, but to ensure the application is performing well under the load and to identify the bottlenecks of the application in terms of performance. Performance testing is done to provide stakeholders with information about their application regarding speed, scalability, stability, and reliability.  The below picture shows the attributes of performance testing

Why Should We Move to Performance Engineering?

 

Performance engineering is derived from business requirement specifications. It is a continuous process. Everyone in the project/product team takes part in performance engineering. Performance engineering is a proactive approach to attain the performance needs of the application. It follows systematic techniques in every phase of the Software Development Life Cycle (SDLC) to meet performance needs. In this approach, the application will be built while keeping in mind the performance requirements from the design, architecture, development, and testing. It follows the Shift-Left approach. Because of this, we can identify the issues/problems in the early phase of the development cycle, and fixing bugs in the earlier cycle reduces costs.

The picture below shows the benefits of moving to performance engineering.

When we move to performance engineering, performance tuning becomes everyone’s responsibility. It is not only bound to the testers.

 

References:

https://glossary.istqb.org/




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Bhavani R

Bhavani R

Bhavani, Quality Architect at DCKAP hold Certified Software Test Manager and Six Sigma Green Belt. Have a passion for testing and learning, as well as implementing and mentoring the latest automation tools. Testing Guild 2018 conference speaker and a frequent blogger. Manage a fast-growing, dynamic QA Team. And leads the group bringing you https://www.qatouch.com.

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