Conditional rendering is essential for creating dynamic Angular applications that respond to user interactions and application state changes. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented ngIf in countless Angular components for showing/hiding content, error messages, and conditional UI elements in enterprise applications. From my expertise, the most effective approach is to use the *ngIf structural directive with boolean expressions. This method provides clean template syntax and efficient DOM manipulation by completely removing elements when the condition is false.