Large items mean maybe show hundred of items, you think it like google spreadsheet.
If we render all items on the page, sure our's website will become lag.
A way to fix this is to use a technique called virtualized, or we only display the part which user sees.
It means we have 1000 items and in a seen cal show 20 items so we only display 20 items, and others should hide. It helps reduce compute resources for display items.
In React we have library react-virtualized help us.

Large items mean maybe show hundred of items, you think it like google spreadsheet.
If we render all items on the page, sure our's website will become lag.

A way to fix this is to use a technique called virtualized, or we only display the part which user sees.

It means we have 1000 items and in a seen cal show 20 items so we only display 20 items, and others should hide. It helps reduce compute resources for display items.

In React we have library react-virtualized help us.

How to show large items on the page with high performance