Organic search, also known as natural search, refers to unpaid search results. In contrast to paid search results (pay-per-click advertising), which are populated via an auction system, organic search results are based on relevance to the user's search query, links and domain authority and other organic ranking factors. Social media and paid ads might be traffic generators, but they are not long-term customer creators. The bounce rates are high, and the number of pages visited is often very low. Businesses looking to improve their website rankings and visibility on SERPs require organic search services.