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Stoyan Stefanov's Blog:
CSS Sprites generation tool
June 27, 2007 @ 10:29:00

In his latest post, Stoyan Stefanov introduces a new project he's working on, the implementation of CSS sprites:

This is a simple technique used for page load performance purposes. Since HTTP requests are the most expensive thing you can do in regards to front-end performance, you strive for making as little requests as possible. So instead of having the browser download 4 rounded corner images for example, you create one image that has all four. Then you use CSS' background-position to only show the part of the image you want.

He explains briefly how the system works and includes a simple example in PHP (showing how to use the imagemagik utility to create the custom image).

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