Provide a Hover Delay of 300–500 MS for Hover-Based Drop-Down Menus (60% Don’t)
74% of desktop sites in our e-commerce UX benchmark have hover-based drop-down menus. But our large-scale testing also finds that these menus can cause serious usability issues. In particular, during testing, users struggled to use the main navigation when it opened immediately when their cursor hovered over it.
