September 26, 2007
CSS sprites group multiple images into one composite image and display them using CSS background positioning. You can save a significant amount of HTTP requests by consolidating your images into one or more composite sprites and using CSS to selectively display parts of the sprite within your web page. Now that the major browsers have evolved enough to support CSS backgrounds and positioning, more sites are adopting this performance technique. In fact, some of the busiest sites on the Web use CSS sprites to save HTTP requests. In this article we'll expand on our mini-CSS sprite example (
mono-image CSS rollovers) to show how Yahoo! and AOL use sprites to improve performance.
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September 17, 2007
Broadband penetration in the EU is now on par with the US and Japan, according to a bi-annual broadband survey from the European Competitive Telecommunications Association (ECTA). ECTA attributes the 16% growth in broadband lines over the last six months to increased competition from new telecom entrants employing local loop unbundling and cable. Meanwhile in the US, broadband penetration jumped 1.32 percentage points to 84.75% among active Internet users in August 2007.
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