Good website visual design is crucial for businesses aiming to make a strong online impression. It involves arranging and representing texts, images, and other elements to enhance user experience. The core principles of effective website visual design include focusing on user-centered design, establishing a clear visual hierarchy, prioritizing simplicity, maintaining consistency across pages, choosing readable typography, designing easy navigation, using white space for better focus, balancing visual and textual content, creating clear and compelling CTAs, optimizing for mobile responsiveness, and improving load speed. These principles work together to ensure a site is both visually appealing and functional, providing the best possible user experience.