Hi mats,
I want to know that what is CRO and what are the techniques or methods involved or used in it ?
Please share useful information in this regards.
Thanks in advance.

In the context of SEO, Conversion Rate Optimization (CRO)  is a term given to the science of converting more of your visitors into actual customers. CRO is simply focusing on the 'conversions' as the core metric when optimizing any particular page.

CRO stands for conversion rate optimization that refers percentage or ratio of sites visitors who visit a website and performing desired action. It includes in web analytics, usability testing, clip mapping and so on.