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What testing types would be conducted to ensure appropriate website performance with new code?

  1. Unit testing

  2. System integration

  3. Acceptance testing

  4. Regression and performance testing

The correct answer is: Regression and performance testing

When assessing website performance with new code, regression testing and performance testing are essential to ensure that the introduction of new code does not negatively impact existing functionalities and that the website meets performance expectations. Regression testing is performed to validate that existing features still function correctly after changes have been made. This is critical because new code can inadvertently introduce bugs or errors in previously working areas. By running regression tests, testers can catch any issues that arise from the new modifications. Performance testing, on the other hand, focuses specifically on how the website performs under various conditions, such as load testing, stress testing, and scalability testing. It measures key performance indicators like response time, throughput, and resource usage to ensure the site can handle expected user loads and conditions without degrading the user experience. Together, regression and performance testing provide a comprehensive approach to ensure that the new code enhances, or at the very least maintains, the overall performance and reliability of the website.