2Improving Mobile Application Quality Through Performance TestingPerformance describes how efficiently your app works and how smooth it is to use. It will affect the user experience. But many companies do not think about the application performance due to the lack of qualified resources available and lack of experience.
5Optimizing RSpec Test Suite Speed: Practical Performance Tuning GuideLearn proven RSpec test suite optimization tactics to cut local & CI runtime drastically. Fix slow test cases, optimize DatabaseCleaner, eliminate redundant DB calls & real network requests with complete code examples.