Search engine optimization, or SEO, attempts to improve a website's organic search rankings in SERPs by increasing the website content's relevance to search terms. Search engines regularly update their algorithms to penalize poor quality sites that try to game their rankings, making optimization a moving target for advertisers. Many vendors offer SEO services.:22
Digital marketing is the marketing of products or services using digital technologies on the Internet, through mobile phone Apps, display advertising, and any other digital mediums. Digital marketing channels are systems based on the Internet that can create, accelerate, and transmit product value from producer to a consumer terminal, through digital networks.