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Anatomy of an Ajax Application


Traditional page-based model of a website: When you interact with such a website, individual pages containing text, images, data entry forms, and so forth are presented one at a time. Each page must be dealt with individually before navigating to the next.

Ajax page-based model of a website: Ajax builds an extra layer of processing between the web page and the server. This layer, often referred to as an Ajax Engine or Ajax Framework, intercepts requests from the user and in the background handles server communications quietly, unobtrusively, and asynchronously. This improves the user’s experience relative to the traditional page-based interface design. Web pages are interactive, responding to the user’s actions with revised content, and updated without any interruptions for page loads or screen refreshes.