Number of Orders / Number of Sessions
The Conversion Rate is one of the key metrics when it comes to increasing sales on Amazon. Ideally every visiting customer that has already found a product's listing page will convert to a buyer.
The main factors for a high conversion rate are
This Blog (click here) explains how to make the most out of product images.
This Blog (click here) explains how you can react to negative reviews to ensure your product's rating remains intact.
This video will walk you through the process of optimizing your product's contents:
Price Promotions / Stroke Rates / Multiple Units Discounts
Giving customers the feeling they are "saving money" is one of the oldest but still most effective "tricks" of selling more.