Digital marketing has become more popular from past 5 years and growing at fast rate every year. Digital is fourth popular advertising platform after Print, TV and Outdoor and will become third popular advertising platform soon. Digital marketing is done by various activities and we need to monitor each and every activity to monitor quality of leads. Some popular digital marketing activities are SEO, Search Engine Marketing, Social Media Marketing, Email Marketing, SMS Marketing, Native Advertising etc. Each medium works in different way i.e. each medium has its own merits and demerits. Each activity provides us leads and cost per leads changes with respect to medium and industry. Digital marketing…