The article provides a comprehensive guide on enhancing web project interactivity by integrating UI features such as spinners for loading states and notifications for application events, using a MERN stack project as an example. It discusses methods to implement GIF-based spinner animations and modern CSS-animation-based spinners using the react-spinners package, emphasizing the benefits of CSS and SVG over traditional GIFs due to size and customizability. Additionally, the article explores notification management in React projects using two npm packages: react-notifications and react-toastify, highlighting react-toastify's ease of integration and extensive customization options. Through detailed code examples, the article demonstrates setting up and using these features, providing insights into their application and customization in a React environment. Concluding, it suggests react-toastify for its popularity and features, while also providing an overview of alternative packages and the growing preference for skeleton loaders over traditional spinners.