Ajax is a group of technologies used to create rich interactive web applications. Ajax can be used to create fast, interactive web pages that meet the web 2.0 needs of modern websites. Ajax is cross-browser compatible and very efficient.
The use of Ajax in Internet applications allows faster, more responsive interactive applications that respond quickly to user input. Fast, efficient applications are the key to keeping visitors on your site. Having custom interactive applications built with Ajax on your website will lead to higher user satisfaction and growth.