SliverGrid
SliverGrid is a Flutter widget that creates a scrollable, two-dimensional grid layout optimized for performance in custom scroll views. It efficiently renders grid items as they become visible, making it ideal for displaying large datasets like image galleries or product listings. As a sliver, it integrates seamlessly with other slivers in a CustomScrollView to build complex scrolling interfaces.
Developers should use SliverGrid when building Flutter apps that require high-performance, scrollable grids within custom scroll views, such as social media feeds, e-commerce product grids, or photo albums. It's particularly useful for handling large numbers of items efficiently by lazily loading content, reducing memory usage and improving app responsiveness. Avoid using it for simple static grids; instead, use the regular GridView for non-scrolling or basic scrolling scenarios.