With Ajax, jQuery and dynamic front-end web applications in general, we are quickly progressing with significant improvements of online shopping experience, but there is still lot of space for growth. Especially, when it comes to older e-commerce websites, and e-commerce models. Some are long time due for revisions and upates

There must be tons of materials on the Internet about this topic, but I like what's listed here: 15 reasons why do we abandon shopping carts!