Make it as simple as possible for users to enter their information.⠀ ⠀ Choosing the right UI element plays a huge part in upgrading UX.⠀ ⠀ For example, use a number picker for integer numeric values instead of a generic text field.
In eCommerce carts, most users will buy 1, or 2 items maximum. The -/+ buttons make their input process quicker.
How To Enhance Hierarchy
Visual hierarchy is important in design because it boosts the user experience and leads the user attention
Make Tooltips Responsive
The classic tooltip is activated once the user hovers over the element... On desktop, this works perfectly!
Choose Chart Types Carefully
Line charts might look trendier but they don't apply to every case. When the x-axis has limited options, a bar chart is the most appropriate graph type.