Your website traffic is one way to measure success. If more people are visiting your website, that means they are finding your content. If they find your content, they are more likely to become customers. Conversion rate is another important metric. This is the percentage of visitors to your site who make a purchase. A higher conversion rate indicates a successful digital marketing campaign. Additionally, you can use metrics like your average order value, which tells you how much your customers spend on your site. An increasing number indicates that your digital marketing is working.