1. What critical navigation do we always need to expose (filters, cart, topics)?
2. Are critical CTAs optimized for mobile (float at the bottom)?
3. Are critical CTAs optimized for desktop (upper-right corner)?
4. Do we always display a search box to increase searches?
5. Do we always display some navigation to raise engagement?
6. Do we use a 'more/less' pattern to show/hide more navigation?
7. Do we display breadcrumbs to jump to the parent category?
8. Does tapping on a category's title prompt accordion or navigation?
9. Do dropdowns appear/disappear on hover, tap/click, or both?
10. If dropdowns disappear automatically, when exactly does that happen?
11. If we use a hover delay in dropdowns, how long is it?
12. If a search icon is used, how does the search box appear when prompted?
13. Do we list a category's main page in a dropdown?
14. Do we place the 'menu' button at the top or at the bottom?
15. Can we push the 'menu' down to make it reachable for thumbs?
16. Do nav items appear in a full page/partial overlay or slide-in?
17. Do we use a layered, 'curtain' navigation for multiple levels?
18. Do we absolutely need a deep-nested navigation (>3 levels)?
19. Have we considered using search with autocomplete instead?
20. Do we use tabbed navigation at the top or at the bottom (<5 items)?
21. Do we use a floating navigation icon at the bottom right?
22. Do we highlight popular or important navigation items?
23. Do mega-dropdowns appear/disappear on hover, tap, or both?
24. Do we group mega-dropdown sections as cards/links on mobile?
25. Do we use icons to display differences between sections?
26. Can we split the nav vertically for submenus on mobile?
27. Can users tap on the same spot to open/close navigation?
28. Are all navigation options reachable via keyboard on desktop/mobile?
29. Are all navigation options accessible via a screen reader?
30. Have we minimized the distance/time to travel from one step to next?