Search Engine Optimization is still the primary lead generation strategy used by top digital marketers according to several reports including the State of Digital Marketing Report from online marketing expert Webmarketing123. This survey included more than 500 online marketers in the US, with SEO garnering the biggest impact on lead generation for both B2B and B2C markets.
Sales leads are generated on the basis of demographic criteria such as FICO score (United States), income, age, household income, psychographic, etc. These leads are resold to multiple advertisers. Sales leads are typically followed up through phone calls by the sales force. Sales leads are commonly found in the mortgage, insurance and finance industries.