Web browsers have continued become more sophisticated and they provide additional supports for new web technologies. Many new methods are added and we can enjoy multiple ways of using the Internet. Ajax is one of the most useful ways to improve our online experience and it facilitates excellent integration between the data and users. It is a highly expected part of e-commerce and web-based application in the Web 2.0 era and beyond. Ajax continues to be a hot technology and it is widely used in the e-commerce industry. Web developers prefer to create ecommerce websites using Ajax also to improve SEO performance.