QA is a term that stands for Quality Assurance and is a process used to ensure that a product or service meets the quality standards of a business. The process of QA involves testing products, services and processes to ensure that they meet the required standards and specifications. qa best practices is often performed during the development process of a product, but it can also be done after the product is released. QA testing is an essential part of any successful business, as it helps to ensure that customers are receiving the highest quality product or service.