When to use automation testing?

H2K Infosys: Automation testing is best used when test cases are repetitive, time-consuming, and require high accuracy. It is ideal for regression testing, performance testing, and large-scale projects where frequent code changes occur. Automation helps improve efficiency, ensures consistency, and reduces human errors. It is also beneficial when tests need to be executed across multiple environments and devices. However, not all scenarios require automation—exploratory and usability testing are better done manually. Organizations should adopt automation when the return on investment is clear, test cases are stable, and long-term maintenance can be managed effectively for better software quality and faster releases.