Explain the concept of conversion rate optimization (CRO), and give an example of a CRO technique that businesses can use to improve the effectiveness of their website.

Conversion rate optimization (CRO) is the practice of improving the effectiveness of a website or landing page by increasing the percentage of visitors who take a desired action, such as making a purchase, filling out a form, or subscribing to a newsletter. The goal of CRO is to maximize the return on investment (ROI) of a digital marketing campaign by converting more of the traffic that the campaign generates into leads or sales. There are several CRO techniques that busine....