In the era of explosion in digital marketing, it is critical for a firm to utilize the limited budget efficiently and effectively for the pursuit the marketing goal. It is particularly important for small and medium enterprises given their insufficient resources. For those small and medium enterprises, in addition to engaging in social media platform, keyword marketing is prevalent way of digital marketing due to its fast exposure, high coverage and flexible budget. Despite the predominance of B2C business in digital marketing, B2B players increasingly adopt it as a venue to seeking new customers. This study focus on the determinants of number of clicks as a key performance indicator of digital marketing in both contexts of B2B and B2C. Using the sample of 775 marketing campaign from 34 advertisers, the regression analysis shows that the number of marketing team members involved is not significantly associated with number of clicks, contrasting, it has positive impact on conversion rate. Implications of the results are also discussed.