An estimated 88% of users admit they are less likely to return to a website after a negative user experience. This should be reason enough for businesses to start focusing on boosting their website’s UI/UX. Several factors can lead to a bad user experience – from slow page loading times to a site’s lack of mobile responsiveness. This is why it is imperative to user test your eCommerce website to prevent cart abandonment and improve your conversion rate optimization (CRO).