Web design principles are discussed including unity, variety, balance, emphasis, simplicity, rhythm, and scale and proportion. Examples are provided for each principle such as Minecraft demonstrating unity with similar aligned boxes, Amazon showing variety with main products and scrolling bars, and Apple displaying balance with a centered top bar and equally spaced bottom boxes. Interactivity and movement on pages are emphasized for rhythm. Twitter is cited for its large background photo paired with small text in showing scale and proportion.