Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising.
SEM is the wider discipline that incorporates SEO. SEM includes both paid search results using tools like Google Adwords or Bing Ads and organic search results
With search engines remaining one of the most common and valuable sources of traffic to a website, it’s fair to say that search engine marketing (SEM) deserves some serious consideration. As the vast majority of consumers use search engines to navigate the web and find the information, product or service they need, using a search engine to market your business online makes obvious sense.