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The Role of Image Sprites in Modern Web Development (and When to Use Them)

Technical Deep Dive
image spritesCSS spritesweb development techniquesperformance optimization
Image sprites combine multiple small images into a single file, reducing HTTP requests and boosting frontend efficiency—especially crucial before HTTP/2 adoption. In modern web development, sprites are most useful for UI elements like icons, where reusability and speed matter. Pair sprites with CSS for precise control, and compress the sprite sheet for minimal impact. For illustrations or hero areas, separate files and lazy loading may be preferable. As network technologies evolve, decide on sprites case-by-case for optimal results.