Micky

Indeed, it's like creating some digital product, you start from mvp development in order to not waste too much money out of lack of experience, you test the idea, and after receiving first customer feedback, you invest more in improving the product's functionality.

Quality web development indeed includes good practices of website or web app development. What is especially important is to test the web product with solid testing techniques to make sure that all data is protected. Here is a good list of possible security threats and how to handle them. It's not only about web solutions, but the main fact here is to protect from vulnerabilities and provide the best possible web app quality.