There are several types of marketing activities that make up Digital Marketing. Here are the most common. Search engine optimization (SEO): The process of optimizing a website to rank higher in search engine results pages (SERPs) for specific keywords. Pay-per-click (PPC) advertising: A method of placing ads on search engines or other websites and paying a fee each time a user clicks on the ad. Social media marketing: The use of social media platforms to promote a business, its products or services, and its content. Content marketing: The creation and distribution of valuable, relevant, and consistent content to attract and retain a clearly defined audience. Email marketing: The use of email to promote a business, its products or services, and its content to a list of subscribers. Influencer marketing: Collaborating with individuals who have a large following on social media or other online platforms to promote a business, its products or services, and its content. Affiliate marketing: Promoting a business’s products or services on a third-party website and earning a commission for each sale made as a result of the promotion. Mobile marketing: Using mobile apps, SMS, and other mobile channels to promote a business, its products or services, and its content.