Search engine marketing, or SEM, is a form of digital marketing that uses paid advertising to improve visibility in search engine results pages (SERPs). Businesses can use SEM to target customers who are actively searching for their products or services online. SEM is an effective way to reach out to potential customers who are actively looking for what you have to offer. By appearing in SERPs, you can increase your brand awareness and put your business in front of people who are ready to buy. SEM is also a cost-effective form of marketing. With SEM, you only pay when someone clicks on your ad, so you only pay for results. This makes it a very efficient way to market your business online. Overall, SEM is an effective and efficient way to market your business online. It can help you reach more potential customers and generate leads and sales.