What if I say you can increse your conversion rate immensely?

It is possible via interaction with your customers even if they've left their shopping carts without buying anything. You can send them warm reminders and return them.
Our extension called Abandoned Cart Email will do that for you. It will allow you:

• Create unlimited number of flexible rules
• Use customizable sending schedule
• Easily create and edit email templates
• Automatically generate coupons
• Track sending history

Here you can see the conditions for the rules of sending email notifications:

Attachment 131

You can find useful info about notification strategies and creating catchy email templates at http://blog.amasty.com/cart-abandonm...the-beginning/

Not sure what can be the reason behind it i mean its growth but yeah because this is the thing which have a correct and appropriate way of learning so yeah you have written thing goodly and i am sure much better can be done on it.

Extension is best for Magento stores but, website design is one of the another source where you can improve conversion rate easily. You just need to follow these steps. http://goo.gl/FbA7nI

As I am also doing Magento Development for my client and I agree with "Ocodewire" that design also plays an vital role in increase of conversion rate.