With growing mobile applications and online transactions, we all as users, experienced crashing websites, longer loading times, frequent payment timeouts, upload issues, etc. These glitches are the result of no or inefficient performance tests. Witnessed many giant companies invest hugely in marketing their products but fail to handle their enormous sales traffic on their application and end up losing revenue and gaining frustrated customers. It is recommended to plan and mandate performance testing as an integral part of software development, because how small or big the potential customer base you have, losing them is a huge pain for the business.
What you should know about Performance test?
Performance test is a non-functional test that purely evaluates the performance of the application such as the latency, stability, scalability, responsiveness, memory & CPU utilization and maximum concurrent users that system can handle.
Load and, stress tests are the subsets of performance testing, that are widely performed, primarily due to their focus area. Load tests focus on validating the system performance under certain load while stress tests validate the breaking point with extreme load (Usually, above threshold) and checks the resilience of the application under test.