To build a fast, high-performance image grid in React, combine CSS Grid or Flexbox for a responsive layout with modern performance optimizations. Use loading=”lazy” on your <img> tags to defer loading offscreen images, implement responsive image sizing using srcset to serve appropriately scaled files, and leverage CSS object-fit: cover to maintain uniform aspect ratios without distortion. For massive catalogs containing hundreds of items, integrate a virtualization library like react-window or react-virtualized to only render the images currently visible in the viewport, ensuring smooth scrolling and minimal memory usage.
sunpass login