Optimizing your Conversion Rate means the action that you want your visitor to take, you improve/optimize them. So visitors turn into buyers. It is a scientific and structured approach to improving the performance of your website. It does get complex as it seeks to understand/influence people.
Tools for Conversation Rate Optimization:
1. Research and Analysis
2. User Survey
3. User Testing
Your final takeaway is eCommerce Conversion rate optimization is new, strategic and here to stay. You are a smart entrepreneur so stay on top of the game. Also, remember that CRO is not a single exercise but a continual process of improvement. You are never "done" testing as there is always room for improvement.