Conversion Rate Optimization is the method applied by using analytics and feedback from users to improve the function of a website. In simple words, it helps in converting random visitors to actual sales. For example, if there are visitors browsing your site randomly, occasionally or regularly, by using the technique of Conversion Rate Optimization, it is possible to convert these visitors into actual customers. What is CRO? It is also about getting new user registrations or getting more downloads and so on.