说明：  本书结合WEB2.0以来WEB开发领域的最新形势和特点，介绍了网站性能问题的现状、产生的原因，以及改善或解决性能问题的原则、技术技巧和最佳实践。
(WEB Development WEB2.0 book combines the latest since the situation and characteristics of the site described the status of performance problems, the causes of performance problems and improve or resolve the principles, technical skills and best practices.)