To apply design principles and user research to your front-end projects, you need to follow a user-centered design process, which consists of four main stages. The Discover stage involves defining the project's goals, scope, and requirements, as well as conducting user research to understand users' needs and expectations; methods such as interviews, surveys, personas, and user stories can be used to discover the context, motivations, and goals. The Design stage involves generating and exploring ideas for the project's solution and creating sketches, wireframes, mockups, and prototypes; brainstorming, sketching, wireframing, and prototyping can be used to design features, content, and interactions. The Test stage involves testing the web page or prototype with real or representative users; usability testing, A/B testing, and analytics can be used to measure usability, functionality, user satisfaction, and identify any issues or errors. The Implement stage involves developing and deploying the web page with the appropriate technologies; coding, debugging, testing, and deploying can be used to implement the code, style, and functionality. By following this process you can create web pages that are attractive yet user-friendly and user-focused; in addition you can improve your front-end skillset for better job or project prospects.