Accessibility testing is a critical component of software development that ensures digital components are usable by everyone, regardless of age or ability. It's not only the right thing to do but also a requirement for government regulations in the U.S. and European Union. Accessibility testing involves evaluating how users with disabilities interact with software, mobile apps, and websites, considering factors such as text alternatives, multimedia captions, high contrast colors, and keyboard navigation. The Web Content Accessibility Guidelines (WCAG) provide a framework for designing and developing accessible digital components. By prioritizing accessibility, developers can improve the quality of their products, enhance user experience, and avoid potential fines and penalties. Automated testing frameworks like Selenium and Appium can be used to perform accessibility testing, providing cross-platform compatibility and easy maintenance. Regular accessibility testing is essential throughout the development stages to identify bugs and changes early, making it easier to fix them.