The homepage remains the “front door” for the many users who still begin their browsing experience here. Avoiding the 8 common UX issues discussed in this article is the first step toward improving users’ Homepage experience
Vertical navigation is a good fit for broad or growing IAs, but takes up more space than horizontal navigation. Ensure that it is left-aligned, keyword front-loaded, and visible.
Summary: For mobile navigation, image grids should be saved for deeper IA levels where visual differentiation between menu items is critical, as they increase page load times, create longer pages, and cause more scrolling.
"While it is important to keep key information easily accessible, the 3-click rule is an arbitrary rule of thumb that is not backed by data."