The SEM, or Search Engine Marketing is an online marketing strategy that seeks to promote websites by increasing their visibility on the pages of search engine results through paid ads on search engines. SEM has become one of the most used online marketing techniques for the following reason: it is one of the most effective techniques for attracting new customers. SEM allows you to get in touch with potential customers just when they are looking for your product, unlike radio, television, and newspaper ads where the intended audience may be busy with something else. That is why a digital agency prefers it as short-term solution.